804513680

素因数分解:

$2^4\times 5^1\times {\mathrm{10056421}}^1$

素因数の和:10056434

約数の個数: 20

約数和(自身を含む): 1870494492

約数和(自身を除く): 1065980812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10056421, 20112842, 40225684, 50282105, 80451368, 100564210, 160902736, 201128420, 402256840, 804513680]

約数ペア:

[(1, 804513680), (2, 402256840), (4, 201128420), (5, 160902736), (8, 100564210), (10, 80451368), (16, 50282105), (20, 40225684), (40, 20112842), (80, 10056421)]