55481740

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2129}}^1$

素因数の和:3441

約数の個数: 24

約数和(自身を含む): 116655840

約数和(自身を除く): 61174100

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2129, 2606, 4258, 5212, 6515, 8516, 10645, 13030, 21290, 26060, 42580, 2774087, 5548174, 11096348, 13870435, 27740870, 55481740]

約数ペア:

[(1, 55481740), (2, 27740870), (4, 13870435), (5, 11096348), (10, 5548174), (20, 2774087), (1303, 42580), (2129, 26060), (2606, 21290), (4258, 13030), (5212, 10645), (6515, 8516)]