12872080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12377}}^1$

素因数の和:12403

約数の個数: 40

約数和(自身を含む): 32232312

約数和(自身を除く): 19360232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12377, 24754, 49508, 61885, 99016, 123770, 160901, 198032, 247540, 321802, 495080, 643604, 804505, 990160, 1287208, 1609010, 2574416, 3218020, 6436040, 12872080]

約数ペア:

[(1, 12872080), (2, 6436040), (4, 3218020), (5, 2574416), (8, 1609010), (10, 1287208), (13, 990160), (16, 804505), (20, 643604), (26, 495080), (40, 321802), (52, 247540), (65, 198032), (80, 160901), (104, 123770), (130, 99016), (208, 61885), (260, 49508), (520, 24754), (1040, 12377)]