201808720

素因数分解:

$2^4\times 5^1\times {\mathrm{751}}^1\times {\mathrm{3359}}^1$

素因数の和:4123

約数の個数: 40

約数和(自身を含む): 469969920

約数和(自身を除く): 268161200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 751, 1502, 3004, 3359, 3755, 6008, 6718, 7510, 12016, 13436, 15020, 16795, 26872, 30040, 33590, 53744, 60080, 67180, 134360, 268720, 2522609, 5045218, 10090436, 12613045, 20180872, 25226090, 40361744, 50452180, 100904360, 201808720]

約数ペア:

[(1, 201808720), (2, 100904360), (4, 50452180), (5, 40361744), (8, 25226090), (10, 20180872), (16, 12613045), (20, 10090436), (40, 5045218), (80, 2522609), (751, 268720), (1502, 134360), (3004, 67180), (3359, 60080), (3755, 53744), (6008, 33590), (6718, 30040), (7510, 26872), (12016, 16795), (13436, 15020)]