87086840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19267}}^1$

素因数の和:19391

約数の個数: 32

約数和(自身を含む): 197689680

約数和(自身を除く): 110602840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19267, 38534, 77068, 96335, 154136, 192670, 385340, 770680, 2177171, 4354342, 8708684, 10885855, 17417368, 21771710, 43543420, 87086840]

約数ペア:

[(1, 87086840), (2, 43543420), (4, 21771710), (5, 17417368), (8, 10885855), (10, 8708684), (20, 4354342), (40, 2177171), (113, 770680), (226, 385340), (452, 192670), (565, 154136), (904, 96335), (1130, 77068), (2260, 38534), (4520, 19267)]