210812120

素因数分解:

$2^3\times 5^1\times {\mathrm{5270303}}^1$

素因数の和:5270314

約数の個数: 16

約数和(自身を含む): 474327360

約数和(自身を除く): 263515240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5270303, 10540606, 21081212, 26351515, 42162424, 52703030, 105406060, 210812120]

約数ペア:

[(1, 210812120), (2, 105406060), (4, 52703030), (5, 42162424), (8, 26351515), (10, 21081212), (20, 10540606), (40, 5270303)]