208045940

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{5387}}^1$

素因数の和:7327

約数の個数: 24

約数和(自身を含む): 437203872

約数和(自身を除く): 229157932

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 5387, 7724, 9655, 10774, 19310, 21548, 26935, 38620, 53870, 107740, 10402297, 20804594, 41609188, 52011485, 104022970, 208045940]

約数ペア:

[(1, 208045940), (2, 104022970), (4, 52011485), (5, 41609188), (10, 20804594), (20, 10402297), (1931, 107740), (3862, 53870), (5387, 38620), (7724, 26935), (9655, 21548), (10774, 19310)]