100890040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58657}}^1$

素因数の和:58711

約数の個数: 32

約数和(自身を含む): 232285680

約数和(自身を除く): 131395640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 58657, 117314, 234628, 293285, 469256, 586570, 1173140, 2346280, 2522251, 5044502, 10089004, 12611255, 20178008, 25222510, 50445020, 100890040]

約数ペア:

[(1, 100890040), (2, 50445020), (4, 25222510), (5, 20178008), (8, 12611255), (10, 10089004), (20, 5044502), (40, 2522251), (43, 2346280), (86, 1173140), (172, 586570), (215, 469256), (344, 293285), (430, 234628), (860, 117314), (1720, 58657)]