90160240

素因数分解:

$2^4\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{1091}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 210017808

約数和(自身を除く): 119857568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1033, 1091, 2066, 2182, 4132, 4364, 5165, 5455, 8264, 8728, 10330, 10910, 16528, 17456, 20660, 21820, 41320, 43640, 82640, 87280, 1127003, 2254006, 4508012, 5635015, 9016024, 11270030, 18032048, 22540060, 45080120, 90160240]

約数ペア:

[(1, 90160240), (2, 45080120), (4, 22540060), (5, 18032048), (8, 11270030), (10, 9016024), (16, 5635015), (20, 4508012), (40, 2254006), (80, 1127003), (1033, 87280), (1091, 82640), (2066, 43640), (2182, 41320), (4132, 21820), (4364, 20660), (5165, 17456), (5455, 16528), (8264, 10910), (8728, 10330)]