247665680

素因数分解:

$2^4\times 5^1\times {\mathrm{3095821}}^1$

素因数の和:3095834

約数の個数: 20

約数和(自身を含む): 575822892

約数和(自身を除く): 328157212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3095821, 6191642, 12383284, 15479105, 24766568, 30958210, 49533136, 61916420, 123832840, 247665680]

約数ペア:

[(1, 247665680), (2, 123832840), (4, 61916420), (5, 49533136), (8, 30958210), (10, 24766568), (16, 15479105), (20, 12383284), (40, 6191642), (80, 3095821)]