208022840

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{5323}}^1$

素因数の和:6311

約数の個数: 32

約数和(自身を含む): 468618480

約数和(自身を除く): 260595640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 5323, 7816, 9770, 10646, 19540, 21292, 26615, 39080, 42584, 53230, 106460, 212920, 5200571, 10401142, 20802284, 26002855, 41604568, 52005710, 104011420, 208022840]

約数ペア:

[(1, 208022840), (2, 104011420), (4, 52005710), (5, 41604568), (8, 26002855), (10, 20802284), (20, 10401142), (40, 5200571), (977, 212920), (1954, 106460), (3908, 53230), (4885, 42584), (5323, 39080), (7816, 26615), (9770, 21292), (10646, 19540)]