810552080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{779377}}^1$

素因数の和:779403

約数の個数: 40

約数和(自身を含む): 2029500312

約数和(自身を除く): 1218948232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 779377, 1558754, 3117508, 3896885, 6235016, 7793770, 10131901, 12470032, 15587540, 20263802, 31175080, 40527604, 50659505, 62350160, 81055208, 101319010, 162110416, 202638020, 405276040, 810552080]

約数ペア:

[(1, 810552080), (2, 405276040), (4, 202638020), (5, 162110416), (8, 101319010), (10, 81055208), (13, 62350160), (16, 50659505), (20, 40527604), (26, 31175080), (40, 20263802), (52, 15587540), (65, 12470032), (80, 10131901), (104, 7793770), (130, 6235016), (208, 3896885), (260, 3117508), (520, 1558754), (1040, 779377)]