40472840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14251}}^1$

素因数の和:14333

約数の個数: 32

約数和(自身を含む): 92352960

約数和(自身を除く): 51880120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 14251, 28502, 57004, 71255, 114008, 142510, 285020, 570040, 1011821, 2023642, 4047284, 5059105, 8094568, 10118210, 20236420, 40472840]

約数ペア:

[(1, 40472840), (2, 20236420), (4, 10118210), (5, 8094568), (8, 5059105), (10, 4047284), (20, 2023642), (40, 1011821), (71, 570040), (142, 285020), (284, 142510), (355, 114008), (568, 71255), (710, 57004), (1420, 28502), (2840, 14251)]