65981960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5171}}^1$

素因数の和:5222

約数の個数: 64

約数和(自身を含む): 167572800

約数和(自身を除く): 101590840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 5171, 6380, 10342, 12760, 20684, 25855, 41368, 51710, 56881, 103420, 113762, 149959, 206840, 227524, 284405, 299918, 455048, 568810, 599836, 749795, 1137620, 1199672, 1499590, 1649549, 2275240, 2999180, 3299098, 5998360, 6598196, 8247745, 13196392, 16495490, 32990980, 65981960]

約数ペア:

[(1, 65981960), (2, 32990980), (4, 16495490), (5, 13196392), (8, 8247745), (10, 6598196), (11, 5998360), (20, 3299098), (22, 2999180), (29, 2275240), (40, 1649549), (44, 1499590), (55, 1199672), (58, 1137620), (88, 749795), (110, 599836), (116, 568810), (145, 455048), (220, 299918), (232, 284405), (290, 227524), (319, 206840), (440, 149959), (580, 113762), (638, 103420), (1160, 56881), (1276, 51710), (1595, 41368), (2552, 25855), (3190, 20684), (5171, 12760), (6380, 10342)]