4384780

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{809}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 9253440

約数和(自身を除く): 4868660

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 809, 1084, 1355, 1618, 2710, 3236, 4045, 5420, 8090, 16180, 219239, 438478, 876956, 1096195, 2192390, 4384780]

約数ペア:

[(1, 4384780), (2, 2192390), (4, 1096195), (5, 876956), (10, 438478), (20, 219239), (271, 16180), (542, 8090), (809, 5420), (1084, 4045), (1355, 3236), (1618, 2710)]