42317780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13477}}^1$

素因数の和:13643

約数の個数: 24

約数和(自身を含む): 89440008

約数和(自身を除く): 47122228

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13477, 26954, 53908, 67385, 134770, 269540, 2115889, 4231778, 8463556, 10579445, 21158890, 42317780]

約数ペア:

[(1, 42317780), (2, 21158890), (4, 10579445), (5, 8463556), (10, 4231778), (20, 2115889), (157, 269540), (314, 134770), (628, 67385), (785, 53908), (1570, 26954), (3140, 13477)]