20080902140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{8537}}^1$

素因数の和:8751

約数の個数: 96

約数和(自身を含む): 46387978560

約数和(自身を除く): 26307076420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 109, 130, 166, 218, 260, 332, 415, 436, 545, 830, 1079, 1090, 1417, 1660, 2158, 2180, 2834, 4316, 5395, 5668, 7085, 8537, 9047, 10790, 14170, 17074, 18094, 21580, 28340, 34148, 36188, 42685, 45235, 85370, 90470, 110981, 117611, 170740, 180940, 221962, 235222, 443924, 470444, 554905, 588055, 708571, 930533, 1109810, 1176110, 1417142, 1861066, 2219620, 2352220, 2834284, 3542855, 3722132, 4652665, 7085710, 9211423, 9305330, 12096929, 14171420, 18422846, 18610660, 24193858, 36845692, 46057115, 48387716, 60484645, 77234239, 92114230, 120969290, 154468478, 184228460, 241938580, 308936956, 386171195, 772342390, 1004045107, 1544684780, 2008090214, 4016180428, 5020225535, 10040451070, 20080902140]

約数ペア:

[(1, 20080902140), (2, 10040451070), (4, 5020225535), (5, 4016180428), (10, 2008090214), (13, 1544684780), (20, 1004045107), (26, 772342390), (52, 386171195), (65, 308936956), (83, 241938580), (109, 184228460), (130, 154468478), (166, 120969290), (218, 92114230), (260, 77234239), (332, 60484645), (415, 48387716), (436, 46057115), (545, 36845692), (830, 24193858), (1079, 18610660), (1090, 18422846), (1417, 14171420), (1660, 12096929), (2158, 9305330), (2180, 9211423), (2834, 7085710), (4316, 4652665), (5395, 3722132), (5668, 3542855), (7085, 2834284), (8537, 2352220), (9047, 2219620), (10790, 1861066), (14170, 1417142), (17074, 1176110), (18094, 1109810), (21580, 930533), (28340, 708571), (34148, 588055), (36188, 554905), (42685, 470444), (45235, 443924), (85370, 235222), (90470, 221962), (110981, 180940), (117611, 170740)]