7491640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14407}}^1$

素因数の和:14431

約数の個数: 32

約数和(自身を含む): 18154080

約数和(自身を除く): 10662440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14407, 28814, 57628, 72035, 115256, 144070, 187291, 288140, 374582, 576280, 749164, 936455, 1498328, 1872910, 3745820, 7491640]

約数ペア:

[(1, 7491640), (2, 3745820), (4, 1872910), (5, 1498328), (8, 936455), (10, 749164), (13, 576280), (20, 374582), (26, 288140), (40, 187291), (52, 144070), (65, 115256), (104, 72035), (130, 57628), (260, 28814), (520, 14407)]