90951640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174907}}^1$

素因数の和:174931

約数の個数: 32

約数和(自身を含む): 220384080

約数和(自身を除く): 129432440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174907, 349814, 699628, 874535, 1399256, 1749070, 2273791, 3498140, 4547582, 6996280, 9095164, 11368955, 18190328, 22737910, 45475820, 90951640]

約数ペア:

[(1, 90951640), (2, 45475820), (4, 22737910), (5, 18190328), (8, 11368955), (10, 9095164), (13, 6996280), (20, 4547582), (26, 3498140), (40, 2273791), (52, 1749070), (65, 1399256), (104, 874535), (130, 699628), (260, 349814), (520, 174907)]