77465680

素因数分解:

$2^4\times 5^1\times {\mathrm{968321}}^1$

素因数の和:968334

約数の個数: 20

約数和(自身を含む): 180107892

約数和(自身を除く): 102642212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 968321, 1936642, 3873284, 4841605, 7746568, 9683210, 15493136, 19366420, 38732840, 77465680]

約数ペア:

[(1, 77465680), (2, 38732840), (4, 19366420), (5, 15493136), (8, 9683210), (10, 7746568), (16, 4841605), (20, 3873284), (40, 1936642), (80, 968321)]