81204850

素因数分解:

$2^1\times 5^2\times {\mathrm{887}}^1\times {\mathrm{1831}}^1$

素因数の和:2730

約数の個数: 24

約数和(自身を含む): 151293888

約数和(自身を除く): 70089038

約数列:

[1, 2, 5, 10, 25, 50, 887, 1774, 1831, 3662, 4435, 8870, 9155, 18310, 22175, 44350, 45775, 91550, 1624097, 3248194, 8120485, 16240970, 40602425, 81204850]

約数ペア:

[(1, 81204850), (2, 40602425), (5, 16240970), (10, 8120485), (25, 3248194), (50, 1624097), (887, 91550), (1774, 45775), (1831, 44350), (3662, 22175), (4435, 18310), (8870, 9155)]