415522040

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{8059}}^1$

素因数の和:9359

約数の個数: 32

約数和(自身を含む): 935766000

約数和(自身を除く): 520243960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 2578, 5156, 6445, 8059, 10312, 12890, 16118, 25780, 32236, 40295, 51560, 64472, 80590, 161180, 322360, 10388051, 20776102, 41552204, 51940255, 83104408, 103880510, 207761020, 415522040]

約数ペア:

[(1, 415522040), (2, 207761020), (4, 103880510), (5, 83104408), (8, 51940255), (10, 41552204), (20, 20776102), (40, 10388051), (1289, 322360), (2578, 161180), (5156, 80590), (6445, 64472), (8059, 51560), (10312, 40295), (12890, 32236), (16118, 25780)]