87259540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42359}}^1$

素因数の和:42471

約数の個数: 24

約数和(自身を含む): 185028480

約数和(自身を除く): 97768940

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 42359, 84718, 169436, 211795, 423590, 847180, 4362977, 8725954, 17451908, 21814885, 43629770, 87259540]

約数ペア:

[(1, 87259540), (2, 43629770), (4, 21814885), (5, 17451908), (10, 8725954), (20, 4362977), (103, 847180), (206, 423590), (412, 211795), (515, 169436), (1030, 84718), (2060, 42359)]