45009680

素因数分解:

$2^4\times 5^1\times {\mathrm{562621}}^1$

素因数の和:562634

約数の個数: 20

約数和(自身を含む): 104647692

約数和(自身を除く): 59638012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 562621, 1125242, 2250484, 2813105, 4500968, 5626210, 9001936, 11252420, 22504840, 45009680]

約数ペア:

[(1, 45009680), (2, 22504840), (4, 11252420), (5, 9001936), (8, 5626210), (10, 4500968), (16, 2813105), (20, 2250484), (40, 1125242), (80, 562621)]