7263640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1607}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 16498080

約数和(自身を除く): 9234440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 1607, 2260, 3214, 4520, 6428, 8035, 12856, 16070, 32140, 64280, 181591, 363182, 726364, 907955, 1452728, 1815910, 3631820, 7263640]

約数ペア:

[(1, 7263640), (2, 3631820), (4, 1815910), (5, 1452728), (8, 907955), (10, 726364), (20, 363182), (40, 181591), (113, 64280), (226, 32140), (452, 16070), (565, 12856), (904, 8035), (1130, 6428), (1607, 4520), (2260, 3214)]