90500540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3911}}^1$

素因数の和:4022

約数の個数: 48

約数和(自身を含む): 207023040

約数和(自身を除く): 116522500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 3911, 4628, 5785, 7822, 11570, 15644, 19555, 23140, 39110, 50843, 78220, 101686, 203372, 254215, 348079, 508430, 696158, 1016860, 1392316, 1740395, 3480790, 4525027, 6961580, 9050054, 18100108, 22625135, 45250270, 90500540]

約数ペア:

[(1, 90500540), (2, 45250270), (4, 22625135), (5, 18100108), (10, 9050054), (13, 6961580), (20, 4525027), (26, 3480790), (52, 1740395), (65, 1392316), (89, 1016860), (130, 696158), (178, 508430), (260, 348079), (356, 254215), (445, 203372), (890, 101686), (1157, 78220), (1780, 50843), (2314, 39110), (3911, 23140), (4628, 19555), (5785, 15644), (7822, 11570)]