87156700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20269}}^1$

素因数の和:20326

約数の個数: 36

約数和(自身を含む): 193537960

約数和(自身を除く): 106381260

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 20269, 40538, 81076, 101345, 202690, 405380, 506725, 871567, 1013450, 1743134, 2026900, 3486268, 4357835, 8715670, 17431340, 21789175, 43578350, 87156700]

約数ペア:

[(1, 87156700), (2, 43578350), (4, 21789175), (5, 17431340), (10, 8715670), (20, 4357835), (25, 3486268), (43, 2026900), (50, 1743134), (86, 1013450), (100, 871567), (172, 506725), (215, 405380), (430, 202690), (860, 101345), (1075, 81076), (2150, 40538), (4300, 20269)]