81028030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{279407}}^1$

素因数の和:279443

約数の個数: 16

約数和(自身を含む): 150880320

約数和(自身を除く): 69852290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 279407, 558814, 1397035, 2794070, 8102803, 16205606, 40514015, 81028030]

約数ペア:

[(1, 81028030), (2, 40514015), (5, 16205606), (10, 8102803), (29, 2794070), (58, 1397035), (145, 558814), (290, 279407)]