155820040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{82883}}^1$

素因数の和:82941

約数の個数: 32

約数和(自身を含む): 358058880

約数和(自身を除く): 202238840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 82883, 165766, 331532, 414415, 663064, 828830, 1657660, 3315320, 3895501, 7791002, 15582004, 19477505, 31164008, 38955010, 77910020, 155820040]

約数ペア:

[(1, 155820040), (2, 77910020), (4, 38955010), (5, 31164008), (8, 19477505), (10, 15582004), (20, 7791002), (40, 3895501), (47, 3315320), (94, 1657660), (188, 828830), (235, 663064), (376, 414415), (470, 331532), (940, 165766), (1880, 82883)]