42510220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111869}}^1$

素因数の和:111897

約数の個数: 24

約数和(自身を含む): 93970800

約数和(自身を除く): 51460580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 111869, 223738, 447476, 559345, 1118690, 2125511, 2237380, 4251022, 8502044, 10627555, 21255110, 42510220]

約数ペア:

[(1, 42510220), (2, 21255110), (4, 10627555), (5, 8502044), (10, 4251022), (19, 2237380), (20, 2125511), (38, 1118690), (76, 559345), (95, 447476), (190, 223738), (380, 111869)]