16681160

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4129}}^1$

素因数の和:4241

約数の個数: 32

約数和(自身を含む): 37913400

約数和(自身を除く): 21232240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4129, 8258, 16516, 20645, 33032, 41290, 82580, 165160, 417029, 834058, 1668116, 2085145, 3336232, 4170290, 8340580, 16681160]

約数ペア:

[(1, 16681160), (2, 8340580), (4, 4170290), (5, 3336232), (8, 2085145), (10, 1668116), (20, 834058), (40, 417029), (101, 165160), (202, 82580), (404, 41290), (505, 33032), (808, 20645), (1010, 16516), (2020, 8258), (4040, 4129)]