86789860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42131}}^1$

素因数の和:42243

約数の個数: 24

約数和(自身を含む): 184032576

約数和(自身を除く): 97242716

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 42131, 84262, 168524, 210655, 421310, 842620, 4339493, 8678986, 17357972, 21697465, 43394930, 86789860]

約数ペア:

[(1, 86789860), (2, 43394930), (4, 21697465), (5, 17357972), (10, 8678986), (20, 4339493), (103, 842620), (206, 421310), (412, 210655), (515, 168524), (1030, 84262), (2060, 42131)]