105512080

素因数分解:

$2^4\times 5^1\times {\mathrm{1318901}}^1$

素因数の和:1318914

約数の個数: 20

約数和(自身を含む): 245315772

約数和(自身を除く): 139803692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1318901, 2637802, 5275604, 6594505, 10551208, 13189010, 21102416, 26378020, 52756040, 105512080]

約数ペア:

[(1, 105512080), (2, 52756040), (4, 26378020), (5, 21102416), (8, 13189010), (10, 10551208), (16, 6594505), (20, 5275604), (40, 2637802), (80, 1318901)]