2478920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 5772600

約数和(自身を除く): 3293680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 2137, 4274, 8548, 10685, 17096, 21370, 42740, 61973, 85480, 123946, 247892, 309865, 495784, 619730, 1239460, 2478920]

約数ペア:

[(1, 2478920), (2, 1239460), (4, 619730), (5, 495784), (8, 309865), (10, 247892), (20, 123946), (29, 85480), (40, 61973), (58, 42740), (116, 21370), (145, 17096), (232, 10685), (290, 8548), (580, 4274), (1160, 2137)]