45020000

素因数分解:

$2^5\times 5^4\times {\mathrm{2251}}^1$

素因数の和:2281

約数の個数: 60

約数和(自身を含む): 110805156

約数和(自身を除く): 65785156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2251, 2500, 4000, 4502, 5000, 9004, 10000, 11255, 18008, 20000, 22510, 36016, 45020, 56275, 72032, 90040, 112550, 180080, 225100, 281375, 360160, 450200, 562750, 900400, 1125500, 1406875, 1800800, 2251000, 2813750, 4502000, 5627500, 9004000, 11255000, 22510000, 45020000]

約数ペア:

[(1, 45020000), (2, 22510000), (4, 11255000), (5, 9004000), (8, 5627500), (10, 4502000), (16, 2813750), (20, 2251000), (25, 1800800), (32, 1406875), (40, 1125500), (50, 900400), (80, 562750), (100, 450200), (125, 360160), (160, 281375), (200, 225100), (250, 180080), (400, 112550), (500, 90040), (625, 72032), (800, 56275), (1000, 45020), (1250, 36016), (2000, 22510), (2251, 20000), (2500, 18008), (4000, 11255), (4502, 10000), (5000, 9004)]