87997820

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{3079}}^1$

素因数の和:4517

約数の個数: 24

約数和(自身を含む): 184984800

約数和(自身を除く): 96986980

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 3079, 5716, 6158, 7145, 12316, 14290, 15395, 28580, 30790, 61580, 4399891, 8799782, 17599564, 21999455, 43998910, 87997820]

約数ペア:

[(1, 87997820), (2, 43998910), (4, 21999455), (5, 17599564), (10, 8799782), (20, 4399891), (1429, 61580), (2858, 30790), (3079, 28580), (5716, 15395), (6158, 14290), (7145, 12316)]