31290460

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1901}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 65824416

約数和(自身を除く): 34533956

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 1901, 3292, 3802, 4115, 7604, 8230, 9505, 16460, 19010, 38020, 1564523, 3129046, 6258092, 7822615, 15645230, 31290460]

約数ペア:

[(1, 31290460), (2, 15645230), (4, 7822615), (5, 6258092), (10, 3129046), (20, 1564523), (823, 38020), (1646, 19010), (1901, 16460), (3292, 9505), (3802, 8230), (4115, 7604)]