9509805220

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1989499}}^1$

素因数の和:1989747

約数の個数: 24

約数和(自身を含む): 20054160000

約数和(自身を除く): 10544354780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 1989499, 3978998, 7957996, 9947495, 19894990, 39789980, 475490261, 950980522, 1901961044, 2377451305, 4754902610, 9509805220]

約数ペア:

[(1, 9509805220), (2, 4754902610), (4, 2377451305), (5, 1901961044), (10, 950980522), (20, 475490261), (239, 39789980), (478, 19894990), (956, 9947495), (1195, 7957996), (2390, 3978998), (4780, 1989499)]