90268000

素因数分解:

$2^5\times 5^3\times {\mathrm{22567}}^1$

素因数の和:22592

約数の個数: 48

約数和(自身を含む): 221798304

約数和(自身を除く): 131530304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 22567, 45134, 90268, 112835, 180536, 225670, 361072, 451340, 564175, 722144, 902680, 1128350, 1805360, 2256700, 2820875, 3610720, 4513400, 5641750, 9026800, 11283500, 18053600, 22567000, 45134000, 90268000]

約数ペア:

[(1, 90268000), (2, 45134000), (4, 22567000), (5, 18053600), (8, 11283500), (10, 9026800), (16, 5641750), (20, 4513400), (25, 3610720), (32, 2820875), (40, 2256700), (50, 1805360), (80, 1128350), (100, 902680), (125, 722144), (160, 564175), (200, 451340), (250, 361072), (400, 225670), (500, 180536), (800, 112835), (1000, 90268), (2000, 45134), (4000, 22567)]