20136775100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:1032

約数の個数: 144

約数和(自身を含む): 47837563200

約数和(自身を除く): 27700788100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 269, 325, 356, 445, 538, 647, 650, 890, 1076, 1157, 1294, 1300, 1345, 1780, 2225, 2314, 2588, 2690, 3235, 3497, 4450, 4628, 5380, 5785, 6470, 6725, 6994, 8411, 8900, 11570, 12940, 13450, 13988, 16175, 16822, 17485, 23140, 23941, 26900, 28925, 32350, 33644, 34970, 42055, 47882, 57583, 57850, 64700, 69940, 84110, 87425, 95764, 115166, 115700, 119705, 168220, 174043, 174850, 210275, 230332, 239410, 287915, 311233, 348086, 349700, 420550, 478820, 575830, 598525, 622466, 696172, 748579, 841100, 870215, 1151660, 1197050, 1244932, 1439575, 1497158, 1556165, 1740430, 2262559, 2394100, 2879150, 2994316, 3112330, 3480860, 3742895, 4351075, 4525118, 5758300, 6224660, 7485790, 7780825, 8702150, 9050236, 11312795, 14971580, 15489827, 15561650, 17404300, 18714475, 22625590, 30979654, 31123300, 37428950, 45251180, 56563975, 61959308, 74857900, 77449135, 113127950, 154898270, 201367751, 226255900, 309796540, 387245675, 402735502, 774491350, 805471004, 1006838755, 1548982700, 2013677510, 4027355020, 5034193775, 10068387550, 20136775100]

約数ペア:

[(1, 20136775100), (2, 10068387550), (4, 5034193775), (5, 4027355020), (10, 2013677510), (13, 1548982700), (20, 1006838755), (25, 805471004), (26, 774491350), (50, 402735502), (52, 387245675), (65, 309796540), (89, 226255900), (100, 201367751), (130, 154898270), (178, 113127950), (260, 77449135), (269, 74857900), (325, 61959308), (356, 56563975), (445, 45251180), (538, 37428950), (647, 31123300), (650, 30979654), (890, 22625590), (1076, 18714475), (1157, 17404300), (1294, 15561650), (1300, 15489827), (1345, 14971580), (1780, 11312795), (2225, 9050236), (2314, 8702150), (2588, 7780825), (2690, 7485790), (3235, 6224660), (3497, 5758300), (4450, 4525118), (4628, 4351075), (5380, 3742895), (5785, 3480860), (6470, 3112330), (6725, 2994316), (6994, 2879150), (8411, 2394100), (8900, 2262559), (11570, 1740430), (12940, 1556165), (13450, 1497158), (13988, 1439575), (16175, 1244932), (16822, 1197050), (17485, 1151660), (23140, 870215), (23941, 841100), (26900, 748579), (28925, 696172), (32350, 622466), (33644, 598525), (34970, 575830), (42055, 478820), (47882, 420550), (57583, 349700), (57850, 348086), (64700, 311233), (69940, 287915), (84110, 239410), (87425, 230332), (95764, 210275), (115166, 174850), (115700, 174043), (119705, 168220)]