64340540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2417}}^1$

素因数の和:2459

約数の個数: 48

約数和(自身を含む): 148677984

約数和(自身を除く): 84337444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2417, 2420, 2662, 4834, 5324, 6655, 9668, 12085, 13310, 24170, 26587, 26620, 48340, 53174, 106348, 132935, 265870, 292457, 531740, 584914, 1169828, 1462285, 2924570, 3217027, 5849140, 6434054, 12868108, 16085135, 32170270, 64340540]

約数ペア:

[(1, 64340540), (2, 32170270), (4, 16085135), (5, 12868108), (10, 6434054), (11, 5849140), (20, 3217027), (22, 2924570), (44, 1462285), (55, 1169828), (110, 584914), (121, 531740), (220, 292457), (242, 265870), (484, 132935), (605, 106348), (1210, 53174), (1331, 48340), (2417, 26620), (2420, 26587), (2662, 24170), (4834, 13310), (5324, 12085), (6655, 9668)]