30870040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9769}}^1$

素因数の和:9859

約数の個数: 32

約数和(自身を含む): 70344000

約数和(自身を除く): 39473960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9769, 19538, 39076, 48845, 78152, 97690, 195380, 390760, 771751, 1543502, 3087004, 3858755, 6174008, 7717510, 15435020, 30870040]

約数ペア:

[(1, 30870040), (2, 15435020), (4, 7717510), (5, 6174008), (8, 3858755), (10, 3087004), (20, 1543502), (40, 771751), (79, 390760), (158, 195380), (316, 97690), (395, 78152), (632, 48845), (790, 39076), (1580, 19538), (3160, 9769)]