28437980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49031}}^1$

素因数の和:49069

約数の個数: 24

約数和(自身を含む): 61780320

約数和(自身を除く): 33342340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 49031, 98062, 196124, 245155, 490310, 980620, 1421899, 2843798, 5687596, 7109495, 14218990, 28437980]

約数ペア:

[(1, 28437980), (2, 14218990), (4, 7109495), (5, 5687596), (10, 2843798), (20, 1421899), (29, 980620), (58, 490310), (116, 245155), (145, 196124), (290, 98062), (580, 49031)]