7971020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3527}}^1$

素因数の和:3649

約数の個数: 24

約数和(自身を含む): 16892064

約数和(自身を除く): 8921044

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 3527, 7054, 14108, 17635, 35270, 70540, 398551, 797102, 1594204, 1992755, 3985510, 7971020]

約数ペア:

[(1, 7971020), (2, 3985510), (4, 1992755), (5, 1594204), (10, 797102), (20, 398551), (113, 70540), (226, 35270), (452, 17635), (565, 14108), (1130, 7054), (2260, 3527)]