99631760

素因数分解:

$2^4\times 5^1\times {\mathrm{1245397}}^1$

素因数の和:1245410

約数の個数: 20

約数和(自身を含む): 231644028

約数和(自身を除く): 132012268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1245397, 2490794, 4981588, 6226985, 9963176, 12453970, 19926352, 24907940, 49815880, 99631760]

約数ペア:

[(1, 99631760), (2, 49815880), (4, 24907940), (5, 19926352), (8, 12453970), (10, 9963176), (16, 6226985), (20, 4981588), (40, 2490794), (80, 1245397)]