80469140

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6521}}^1$

素因数の和:7147

約数の個数: 24

約数和(自身を含む): 169285032

約数和(自身を除く): 88815892

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 6521, 12340, 13042, 26084, 32605, 65210, 130420, 4023457, 8046914, 16093828, 20117285, 40234570, 80469140]

約数ペア:

[(1, 80469140), (2, 40234570), (4, 20117285), (5, 16093828), (10, 8046914), (20, 4023457), (617, 130420), (1234, 65210), (2468, 32605), (3085, 26084), (6170, 13042), (6521, 12340)]