191217160

素因数分解:

$2^3\times 5^1\times {\mathrm{4780429}}^1$

素因数の和:4780440

約数の個数: 16

約数和(自身を含む): 430238700

約数和(自身を除く): 239021540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4780429, 9560858, 19121716, 23902145, 38243432, 47804290, 95608580, 191217160]

約数ペア:

[(1, 191217160), (2, 95608580), (4, 47804290), (5, 38243432), (8, 23902145), (10, 19121716), (20, 9560858), (40, 4780429)]