28038280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6551}}^1$

素因数の和:6669

約数の個数: 32

約数和(自身を含む): 63685440

約数和(自身を除く): 35647160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 6551, 13102, 26204, 32755, 52408, 65510, 131020, 262040, 700957, 1401914, 2803828, 3504785, 5607656, 7009570, 14019140, 28038280]

約数ペア:

[(1, 28038280), (2, 14019140), (4, 7009570), (5, 5607656), (8, 3504785), (10, 2803828), (20, 1401914), (40, 700957), (107, 262040), (214, 131020), (428, 65510), (535, 52408), (856, 32755), (1070, 26204), (2140, 13102), (4280, 6551)]