80831855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 111912552

約数和(自身を除く): 31080697

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 289, 331, 845, 1105, 1445, 1655, 2873, 3757, 4303, 5627, 14365, 18785, 21515, 28135, 48841, 55939, 73151, 95659, 244205, 279695, 365755, 478295, 950963, 1243567, 4754815, 6217835, 16166371, 80831855]

約数ペア:

[(1, 80831855), (5, 16166371), (13, 6217835), (17, 4754815), (65, 1243567), (85, 950963), (169, 478295), (221, 365755), (289, 279695), (331, 244205), (845, 95659), (1105, 73151), (1445, 55939), (1655, 48841), (2873, 28135), (3757, 21515), (4303, 18785), (5627, 14365)]