81316870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{6521}}^1$

素因数の和:6600

約数の個数: 32

約数和(自身を含む): 154962720

約数和(自身を除く): 73645850

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 2494, 6235, 6521, 12470, 13042, 32605, 65210, 189109, 280403, 378218, 560806, 945545, 1402015, 1891090, 2804030, 8131687, 16263374, 40658435, 81316870]

約数ペア:

[(1, 81316870), (2, 40658435), (5, 16263374), (10, 8131687), (29, 2804030), (43, 1891090), (58, 1402015), (86, 945545), (145, 560806), (215, 378218), (290, 280403), (430, 189109), (1247, 65210), (2494, 32605), (6235, 13042), (6521, 12470)]