91115960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 222566400

約数和(自身を除く): 131450440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1279, 1370, 1781, 2558, 2740, 3562, 5116, 5480, 6395, 7124, 8905, 10232, 12790, 14248, 16627, 17810, 25580, 33254, 35620, 51160, 66508, 71240, 83135, 133016, 166270, 175223, 332540, 350446, 665080, 700892, 876115, 1401784, 1752230, 2277899, 3504460, 4555798, 7008920, 9111596, 11389495, 18223192, 22778990, 45557980, 91115960]

約数ペア:

[(1, 91115960), (2, 45557980), (4, 22778990), (5, 18223192), (8, 11389495), (10, 9111596), (13, 7008920), (20, 4555798), (26, 3504460), (40, 2277899), (52, 1752230), (65, 1401784), (104, 876115), (130, 700892), (137, 665080), (260, 350446), (274, 332540), (520, 175223), (548, 166270), (685, 133016), (1096, 83135), (1279, 71240), (1370, 66508), (1781, 51160), (2558, 35620), (2740, 33254), (3562, 25580), (5116, 17810), (5480, 16627), (6395, 14248), (7124, 12790), (8905, 10232)]