123285040

素因数分解:

$2^4\times 5^1\times {\mathrm{1541063}}^1$

素因数の和:1541076

約数の個数: 20

約数和(自身を含む): 286637904

約数和(自身を除く): 163352864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1541063, 3082126, 6164252, 7705315, 12328504, 15410630, 24657008, 30821260, 61642520, 123285040]

約数ペア:

[(1, 123285040), (2, 61642520), (4, 30821260), (5, 24657008), (8, 15410630), (10, 12328504), (16, 7705315), (20, 6164252), (40, 3082126), (80, 1541063)]