40877540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2617}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 95001984

約数和(自身を除く): 54124444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 2617, 3124, 3905, 5234, 7810, 10468, 13085, 15620, 26170, 28787, 52340, 57574, 115148, 143935, 185807, 287870, 371614, 575740, 743228, 929035, 1858070, 2043877, 3716140, 4087754, 8175508, 10219385, 20438770, 40877540]

約数ペア:

[(1, 40877540), (2, 20438770), (4, 10219385), (5, 8175508), (10, 4087754), (11, 3716140), (20, 2043877), (22, 1858070), (44, 929035), (55, 743228), (71, 575740), (110, 371614), (142, 287870), (220, 185807), (284, 143935), (355, 115148), (710, 57574), (781, 52340), (1420, 28787), (1562, 26170), (2617, 15620), (3124, 13085), (3905, 10468), (5234, 7810)]