9120640

素因数分解:

$2^7\times 5^1\times {\mathrm{14251}}^1$

素因数の和:14270

約数の個数: 32

約数和(自身を含む): 21805560

約数和(自身を除く): 12684920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 14251, 28502, 57004, 71255, 114008, 142510, 228016, 285020, 456032, 570040, 912064, 1140080, 1824128, 2280160, 4560320, 9120640]

約数ペア:

[(1, 9120640), (2, 4560320), (4, 2280160), (5, 1824128), (8, 1140080), (10, 912064), (16, 570040), (20, 456032), (32, 285020), (40, 228016), (64, 142510), (80, 114008), (128, 71255), (160, 57004), (320, 28502), (640, 14251)]