15625940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{587}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 36154944

約数和(自身を除く): 20529004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 587, 605, 1174, 1210, 1331, 2348, 2420, 2662, 2935, 5324, 5870, 6457, 6655, 11740, 12914, 13310, 25828, 26620, 32285, 64570, 71027, 129140, 142054, 284108, 355135, 710270, 781297, 1420540, 1562594, 3125188, 3906485, 7812970, 15625940]

約数ペア:

[(1, 15625940), (2, 7812970), (4, 3906485), (5, 3125188), (10, 1562594), (11, 1420540), (20, 781297), (22, 710270), (44, 355135), (55, 284108), (110, 142054), (121, 129140), (220, 71027), (242, 64570), (484, 32285), (587, 26620), (605, 25828), (1174, 13310), (1210, 12914), (1331, 11740), (2348, 6655), (2420, 6457), (2662, 5870), (2935, 5324)]