102205000

素因数分解:

$2^3\times 5^4\times {\mathrm{20441}}^1$

素因数の和:20467

約数の個数: 40

約数和(自身を含む): 239478030

約数和(自身を除く): 137273030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 20441, 40882, 81764, 102205, 163528, 204410, 408820, 511025, 817640, 1022050, 2044100, 2555125, 4088200, 5110250, 10220500, 12775625, 20441000, 25551250, 51102500, 102205000]

約数ペア:

[(1, 102205000), (2, 51102500), (4, 25551250), (5, 20441000), (8, 12775625), (10, 10220500), (20, 5110250), (25, 4088200), (40, 2555125), (50, 2044100), (100, 1022050), (125, 817640), (200, 511025), (250, 408820), (500, 204410), (625, 163528), (1000, 102205), (1250, 81764), (2500, 40882), (5000, 20441)]