200769560

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21001}}^1$

素因数の和:21251

約数の個数: 32

約数和(自身を含む): 453643200

約数和(自身を除く): 252873640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 21001, 42002, 84004, 105005, 168008, 210010, 420020, 840040, 5019239, 10038478, 20076956, 25096195, 40153912, 50192390, 100384780, 200769560]

約数ペア:

[(1, 200769560), (2, 100384780), (4, 50192390), (5, 40153912), (8, 25096195), (10, 20076956), (20, 10038478), (40, 5019239), (239, 840040), (478, 420020), (956, 210010), (1195, 168008), (1912, 105005), (2390, 84004), (4780, 42002), (9560, 21001)]