28953640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2671}}^1$

素因数の和:2953

約数の個数: 32

約数和(自身を含む): 65410560

約数和(自身を除く): 36456920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2671, 2710, 5342, 5420, 10684, 10840, 13355, 21368, 26710, 53420, 106840, 723841, 1447682, 2895364, 3619205, 5790728, 7238410, 14476820, 28953640]

約数ペア:

[(1, 28953640), (2, 14476820), (4, 7238410), (5, 5790728), (8, 3619205), (10, 2895364), (20, 1447682), (40, 723841), (271, 106840), (542, 53420), (1084, 26710), (1355, 21368), (2168, 13355), (2671, 10840), (2710, 10684), (5342, 5420)]