45545000

素因数分解:

$2^3\times 5^4\times {\mathrm{9109}}^1$

素因数の和:9135

約数の個数: 40

約数和(自身を含む): 106723650

約数和(自身を除く): 61178650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 9109, 18218, 36436, 45545, 72872, 91090, 182180, 227725, 364360, 455450, 910900, 1138625, 1821800, 2277250, 4554500, 5693125, 9109000, 11386250, 22772500, 45545000]

約数ペア:

[(1, 45545000), (2, 22772500), (4, 11386250), (5, 9109000), (8, 5693125), (10, 4554500), (20, 2277250), (25, 1821800), (40, 1138625), (50, 910900), (100, 455450), (125, 364360), (200, 227725), (250, 182180), (500, 91090), (625, 72872), (1000, 45545), (1250, 36436), (2500, 18218), (5000, 9109)]