27404390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210803}}^1$

素因数の和:210823

約数の個数: 16

約数和(自身を含む): 53122608

約数和(自身を除く): 25718218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 210803, 421606, 1054015, 2108030, 2740439, 5480878, 13702195, 27404390]

約数ペア:

[(1, 27404390), (2, 13702195), (5, 5480878), (10, 2740439), (13, 2108030), (26, 1054015), (65, 421606), (130, 210803)]