40289680

素因数分解:

$2^4\times 5^1\times {\mathrm{503621}}^1$

素因数の和:503634

約数の個数: 20

約数和(自身を含む): 93673692

約数和(自身を除く): 53384012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503621, 1007242, 2014484, 2518105, 4028968, 5036210, 8057936, 10072420, 20144840, 40289680]

約数ペア:

[(1, 40289680), (2, 20144840), (4, 10072420), (5, 8057936), (8, 5036210), (10, 4028968), (16, 2518105), (20, 2014484), (40, 1007242), (80, 503621)]