804926840

素因数分解:

$2^3\times 5^1\times {\mathrm{20123171}}^1$

素因数の和:20123182

約数の個数: 16

約数和(自身を含む): 1811085480

約数和(自身を除く): 1006158640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20123171, 40246342, 80492684, 100615855, 160985368, 201231710, 402463420, 804926840]

約数ペア:

[(1, 804926840), (2, 402463420), (4, 201231710), (5, 160985368), (8, 100615855), (10, 80492684), (20, 40246342), (40, 20123171)]