81633400

素因数分解:

$2^3\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2137}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 190880640

約数和(自身を除く): 109247240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 191, 200, 382, 764, 955, 1528, 1910, 2137, 3820, 4274, 4775, 7640, 8548, 9550, 10685, 17096, 19100, 21370, 38200, 42740, 53425, 85480, 106850, 213700, 408167, 427400, 816334, 1632668, 2040835, 3265336, 4081670, 8163340, 10204175, 16326680, 20408350, 40816700, 81633400]

約数ペア:

[(1, 81633400), (2, 40816700), (4, 20408350), (5, 16326680), (8, 10204175), (10, 8163340), (20, 4081670), (25, 3265336), (40, 2040835), (50, 1632668), (100, 816334), (191, 427400), (200, 408167), (382, 213700), (764, 106850), (955, 85480), (1528, 53425), (1910, 42740), (2137, 38200), (3820, 21370), (4274, 19100), (4775, 17096), (7640, 10685), (8548, 9550)]