20163892400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{2741}}^1$

素因数の和:3159

約数の個数: 120

約数和(自身を含む): 49518085104

約数和(自身を除く): 29354192704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 347, 400, 424, 530, 694, 848, 1060, 1325, 1388, 1735, 2120, 2650, 2741, 2776, 3470, 4240, 5300, 5482, 5552, 6940, 8675, 10600, 10964, 13705, 13880, 17350, 18391, 21200, 21928, 27410, 27760, 34700, 36782, 43856, 54820, 68525, 69400, 73564, 91955, 109640, 137050, 138800, 145273, 147128, 183910, 219280, 274100, 290546, 294256, 367820, 459775, 548200, 581092, 726365, 735640, 919550, 951127, 1096400, 1162184, 1452730, 1471280, 1839100, 1902254, 2324368, 2905460, 3631825, 3678200, 3804508, 4755635, 5810920, 7263650, 7356400, 7609016, 9511270, 11621840, 14527300, 15218032, 19022540, 23778175, 29054600, 38045080, 47556350, 50409731, 58109200, 76090160, 95112700, 100819462, 190225400, 201638924, 252048655, 380450800, 403277848, 504097310, 806555696, 1008194620, 1260243275, 2016389240, 2520486550, 4032778480, 5040973100, 10081946200, 20163892400]

約数ペア:

[(1, 20163892400), (2, 10081946200), (4, 5040973100), (5, 4032778480), (8, 2520486550), (10, 2016389240), (16, 1260243275), (20, 1008194620), (25, 806555696), (40, 504097310), (50, 403277848), (53, 380450800), (80, 252048655), (100, 201638924), (106, 190225400), (200, 100819462), (212, 95112700), (265, 76090160), (347, 58109200), (400, 50409731), (424, 47556350), (530, 38045080), (694, 29054600), (848, 23778175), (1060, 19022540), (1325, 15218032), (1388, 14527300), (1735, 11621840), (2120, 9511270), (2650, 7609016), (2741, 7356400), (2776, 7263650), (3470, 5810920), (4240, 4755635), (5300, 3804508), (5482, 3678200), (5552, 3631825), (6940, 2905460), (8675, 2324368), (10600, 1902254), (10964, 1839100), (13705, 1471280), (13880, 1452730), (17350, 1162184), (18391, 1096400), (21200, 951127), (21928, 919550), (27410, 735640), (27760, 726365), (34700, 581092), (36782, 548200), (43856, 459775), (54820, 367820), (68525, 294256), (69400, 290546), (73564, 274100), (91955, 219280), (109640, 183910), (137050, 147128), (138800, 145273)]