212490440

素因数分解:

$2^3\times 5^1\times {\mathrm{5312261}}^1$

素因数の和:5312272

約数の個数: 16

約数和(自身を含む): 478103580

約数和(自身を除く): 265613140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5312261, 10624522, 21249044, 26561305, 42498088, 53122610, 106245220, 212490440]

約数ペア:

[(1, 212490440), (2, 106245220), (4, 53122610), (5, 42498088), (8, 26561305), (10, 21249044), (20, 10624522), (40, 5312261)]