104129680

素因数分解:

$2^4\times 5^1\times {\mathrm{1301621}}^1$

素因数の和:1301634

約数の個数: 20

約数和(自身を含む): 242101692

約数和(自身を除く): 137972012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1301621, 2603242, 5206484, 6508105, 10412968, 13016210, 20825936, 26032420, 52064840, 104129680]

約数ペア:

[(1, 104129680), (2, 52064840), (4, 26032420), (5, 20825936), (8, 13016210), (10, 10412968), (16, 6508105), (20, 5206484), (40, 2603242), (80, 1301621)]