90143540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{43759}}^1$

素因数の和:43871

約数の個数: 24

約数和(自身を含む): 191143680

約数和(自身を除く): 101000140

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 43759, 87518, 175036, 218795, 437590, 875180, 4507177, 9014354, 18028708, 22535885, 45071770, 90143540]

約数ペア:

[(1, 90143540), (2, 45071770), (4, 22535885), (5, 18028708), (10, 9014354), (20, 4507177), (103, 875180), (206, 437590), (412, 218795), (515, 175036), (1030, 87518), (2060, 43759)]