137859560

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{2609}}^1$

素因数の和:3941

約数の個数: 32

約数和(自身を含む): 310537800

約数和(自身を除く): 172678240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 2609, 2642, 5218, 5284, 6605, 10436, 10568, 13045, 13210, 20872, 26090, 26420, 52180, 52840, 104360, 3446489, 6892978, 13785956, 17232445, 27571912, 34464890, 68929780, 137859560]

約数ペア:

[(1, 137859560), (2, 68929780), (4, 34464890), (5, 27571912), (8, 17232445), (10, 13785956), (20, 6892978), (40, 3446489), (1321, 104360), (2609, 52840), (2642, 52180), (5218, 26420), (5284, 26090), (6605, 20872), (10436, 13210), (10568, 13045)]