855494320

素因数分解:

$2^4\times 5^1\times {\mathrm{10693679}}^1$

素因数の和:10693692

約数の個数: 20

約数和(自身を含む): 1989024480

約数和(自身を除く): 1133530160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10693679, 21387358, 42774716, 53468395, 85549432, 106936790, 171098864, 213873580, 427747160, 855494320]

約数ペア:

[(1, 855494320), (2, 427747160), (4, 213873580), (5, 171098864), (8, 106936790), (10, 85549432), (16, 53468395), (20, 42774716), (40, 21387358), (80, 10693679)]