42030140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20807}}^1$

素因数の和:20917

約数の個数: 24

約数和(自身を含む): 89141472

約数和(自身を除く): 47111332

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20807, 41614, 83228, 104035, 208070, 416140, 2101507, 4203014, 8406028, 10507535, 21015070, 42030140]

約数ペア:

[(1, 42030140), (2, 21015070), (4, 10507535), (5, 8406028), (10, 4203014), (20, 2101507), (101, 416140), (202, 208070), (404, 104035), (505, 83228), (1010, 41614), (2020, 20807)]