80440855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 112285440

約数和(自身を除く): 31844585

約数列:

[1, 5, 11, 17, 55, 85, 187, 227, 379, 935, 1135, 1895, 2497, 3859, 4169, 6443, 12485, 19295, 20845, 32215, 42449, 70873, 86033, 212245, 354365, 430165, 946363, 1462561, 4731815, 7312805, 16088171, 80440855]

約数ペア:

[(1, 80440855), (5, 16088171), (11, 7312805), (17, 4731815), (55, 1462561), (85, 946363), (187, 430165), (227, 354365), (379, 212245), (935, 86033), (1135, 70873), (1895, 42449), (2497, 32215), (3859, 20845), (4169, 19295), (6443, 12485)]