83320280

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6571}}^1$

素因数の和:6899

約数の個数: 32

約数和(自身を含む): 188090640

約数和(自身を除く): 104770360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 6571, 12680, 13142, 26284, 32855, 52568, 65710, 131420, 262840, 2083007, 4166014, 8332028, 10415035, 16664056, 20830070, 41660140, 83320280]

約数ペア:

[(1, 83320280), (2, 41660140), (4, 20830070), (5, 16664056), (8, 10415035), (10, 8332028), (20, 4166014), (40, 2083007), (317, 262840), (634, 131420), (1268, 65710), (1585, 52568), (2536, 32855), (3170, 26284), (6340, 13142), (6571, 12680)]