20179858040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3972413}}^1$

素因数の和:3972551

約数の個数: 32

約数和(自身を含む): 45762209280

約数和(自身を除く): 25582351240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 3972413, 7944826, 15889652, 19862065, 31779304, 39724130, 79448260, 158896520, 504496451, 1008992902, 2017985804, 2522482255, 4035971608, 5044964510, 10089929020, 20179858040]

約数ペア:

[(1, 20179858040), (2, 10089929020), (4, 5044964510), (5, 4035971608), (8, 2522482255), (10, 2017985804), (20, 1008992902), (40, 504496451), (127, 158896520), (254, 79448260), (508, 39724130), (635, 31779304), (1016, 19862065), (1270, 15889652), (2540, 7944826), (5080, 3972413)]