404106680

素因数分解:

$2^3\times 5^1\times {\mathrm{10102667}}^1$

素因数の和:10102678

約数の個数: 16

約数和(自身を含む): 909240120

約数和(自身を除く): 505133440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10102667, 20205334, 40410668, 50513335, 80821336, 101026670, 202053340, 404106680]

約数ペア:

[(1, 404106680), (2, 202053340), (4, 101026670), (5, 80821336), (8, 50513335), (10, 40410668), (20, 20205334), (40, 10102667)]