22736440

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1091}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 51302160

約数和(自身を除く): 28565720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1091, 2084, 2182, 2605, 4168, 4364, 5210, 5455, 8728, 10420, 10910, 20840, 21820, 43640, 568411, 1136822, 2273644, 2842055, 4547288, 5684110, 11368220, 22736440]

約数ペア:

[(1, 22736440), (2, 11368220), (4, 5684110), (5, 4547288), (8, 2842055), (10, 2273644), (20, 1136822), (40, 568411), (521, 43640), (1042, 21820), (1091, 20840), (2084, 10910), (2182, 10420), (2605, 8728), (4168, 5455), (4364, 5210)]