4001390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3671}}^1$

素因数の和:3787

約数の個数: 16

約数和(自身を含む): 7270560

約数和(自身を除く): 3269170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 3671, 7342, 18355, 36710, 400139, 800278, 2000695, 4001390]

約数ペア:

[(1, 4001390), (2, 2000695), (5, 800278), (10, 400139), (109, 36710), (218, 18355), (545, 7342), (1090, 3671)]