30654640

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3391}}^1$

素因数の和:3517

約数の個数: 40

約数和(自身を含む): 71923968

約数和(自身を除く): 41269328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 3391, 4520, 6782, 9040, 13564, 16955, 27128, 33910, 54256, 67820, 135640, 271280, 383183, 766366, 1532732, 1915915, 3065464, 3831830, 6130928, 7663660, 15327320, 30654640]

約数ペア:

[(1, 30654640), (2, 15327320), (4, 7663660), (5, 6130928), (8, 3831830), (10, 3065464), (16, 1915915), (20, 1532732), (40, 766366), (80, 383183), (113, 271280), (226, 135640), (452, 67820), (565, 54256), (904, 33910), (1130, 27128), (1808, 16955), (2260, 13564), (3391, 9040), (4520, 6782)]