45002000

素因数分解:

$2^4\times 5^3\times {\mathrm{22501}}^1$

素因数の和:22524

約数の個数: 40

約数和(自身を含む): 108819672

約数和(自身を除く): 63817672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 22501, 45002, 90004, 112505, 180008, 225010, 360016, 450020, 562525, 900040, 1125050, 1800080, 2250100, 2812625, 4500200, 5625250, 9000400, 11250500, 22501000, 45002000]

約数ペア:

[(1, 45002000), (2, 22501000), (4, 11250500), (5, 9000400), (8, 5625250), (10, 4500200), (16, 2812625), (20, 2250100), (25, 1800080), (40, 1125050), (50, 900040), (80, 562525), (100, 450020), (125, 360016), (200, 225010), (250, 180008), (400, 112505), (500, 90004), (1000, 45002), (2000, 22501)]