45000400

素因数分解:

$2^4\times 5^2\times {\mathrm{112501}}^1$

素因数の和:112519

約数の個数: 30

約数和(自身を含む): 108114422

約数和(自身を除く): 63114022

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 112501, 225002, 450004, 562505, 900008, 1125010, 1800016, 2250020, 2812525, 4500040, 5625050, 9000080, 11250100, 22500200, 45000400]

約数ペア:

[(1, 45000400), (2, 22500200), (4, 11250100), (5, 9000080), (8, 5625050), (10, 4500040), (16, 2812525), (20, 2250020), (25, 1800016), (40, 1125010), (50, 900008), (80, 562505), (100, 450004), (200, 225002), (400, 112501)]