278592080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{267877}}^1$

素因数の和:267903

約数の個数: 40

約数和(自身を含む): 697554312

約数和(自身を除く): 418962232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 267877, 535754, 1071508, 1339385, 2143016, 2678770, 3482401, 4286032, 5357540, 6964802, 10715080, 13929604, 17412005, 21430160, 27859208, 34824010, 55718416, 69648020, 139296040, 278592080]

約数ペア:

[(1, 278592080), (2, 139296040), (4, 69648020), (5, 55718416), (8, 34824010), (10, 27859208), (13, 21430160), (16, 17412005), (20, 13929604), (26, 10715080), (40, 6964802), (52, 5357540), (65, 4286032), (80, 3482401), (104, 2678770), (130, 2143016), (208, 1339385), (260, 1071508), (520, 535754), (1040, 267877)]