727480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 1764000

約数和(自身を除く): 1036520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1399, 2798, 5596, 6995, 11192, 13990, 18187, 27980, 36374, 55960, 72748, 90935, 145496, 181870, 363740, 727480]

約数ペア:

[(1, 727480), (2, 363740), (4, 181870), (5, 145496), (8, 90935), (10, 72748), (13, 55960), (20, 36374), (26, 27980), (40, 18187), (52, 13990), (65, 11192), (104, 6995), (130, 5596), (260, 2798), (520, 1399)]