77464540

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{3449}}^1$

素因数の和:4581

約数の個数: 24

約数和(自身を含む): 162867600

約数和(自身を除く): 85403060

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 3449, 4492, 5615, 6898, 11230, 13796, 17245, 22460, 34490, 68980, 3873227, 7746454, 15492908, 19366135, 38732270, 77464540]

約数ペア:

[(1, 77464540), (2, 38732270), (4, 19366135), (5, 15492908), (10, 7746454), (20, 3873227), (1123, 68980), (2246, 34490), (3449, 22460), (4492, 17245), (5615, 13796), (6898, 11230)]