217326680

素因数分解:

$2^3\times 5^1\times {\mathrm{5433167}}^1$

素因数の和:5433178

約数の個数: 16

約数和(自身を含む): 488985120

約数和(自身を除く): 271658440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5433167, 10866334, 21732668, 27165835, 43465336, 54331670, 108663340, 217326680]

約数ペア:

[(1, 217326680), (2, 108663340), (4, 54331670), (5, 43465336), (8, 27165835), (10, 21732668), (20, 10866334), (40, 5433167)]