15649840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3691}}^1$

素因数の和:3757

約数の個数: 40

約数和(自身を含む): 37082448

約数和(自身を除く): 21432608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 3691, 4240, 7382, 14764, 18455, 29528, 36910, 59056, 73820, 147640, 195623, 295280, 391246, 782492, 978115, 1564984, 1956230, 3129968, 3912460, 7824920, 15649840]

約数ペア:

[(1, 15649840), (2, 7824920), (4, 3912460), (5, 3129968), (8, 1956230), (10, 1564984), (16, 978115), (20, 782492), (40, 391246), (53, 295280), (80, 195623), (106, 147640), (212, 73820), (265, 59056), (424, 36910), (530, 29528), (848, 18455), (1060, 14764), (2120, 7382), (3691, 4240)]