126221360

素因数分解:

$2^4\times 5^1\times {\mathrm{1577767}}^1$

素因数の和:1577780

約数の個数: 20

約数和(自身を含む): 293464848

約数和(自身を除く): 167243488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1577767, 3155534, 6311068, 7888835, 12622136, 15777670, 25244272, 31555340, 63110680, 126221360]

約数ペア:

[(1, 126221360), (2, 63110680), (4, 31555340), (5, 25244272), (8, 15777670), (10, 12622136), (16, 7888835), (20, 6311068), (40, 3155534), (80, 1577767)]