15077740

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1447}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 31745952

約数和(自身を除く): 16668212

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1447, 2084, 2605, 2894, 5210, 5788, 7235, 10420, 14470, 28940, 753887, 1507774, 3015548, 3769435, 7538870, 15077740]

約数ペア:

[(1, 15077740), (2, 7538870), (4, 3769435), (5, 3015548), (10, 1507774), (20, 753887), (521, 28940), (1042, 14470), (1447, 10420), (2084, 7235), (2605, 5788), (2894, 5210)]