89812000

素因数分解:

$2^5\times 5^3\times {\mathrm{22453}}^1$

素因数の和:22478

約数の個数: 48

約数和(自身を含む): 220677912

約数和(自身を除く): 130865912

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, 22453, 44906, 89812, 112265, 179624, 224530, 359248, 449060, 561325, 718496, 898120, 1122650, 1796240, 2245300, 2806625, 3592480, 4490600, 5613250, 8981200, 11226500, 17962400, 22453000, 44906000, 89812000]

約数ペア:

[(1, 89812000), (2, 44906000), (4, 22453000), (5, 17962400), (8, 11226500), (10, 8981200), (16, 5613250), (20, 4490600), (25, 3592480), (32, 2806625), (40, 2245300), (50, 1796240), (80, 1122650), (100, 898120), (125, 718496), (160, 561325), (200, 449060), (250, 359248), (400, 224530), (500, 179624), (800, 112265), (1000, 89812), (2000, 44906), (4000, 22453)]