22152500

素因数分解:

$2^2\times 5^4\times {\mathrm{8861}}^1$

素因数の和:8885

約数の個数: 30

約数和(自身を含む): 48448554

約数和(自身を除く): 26296054

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8861, 17722, 35444, 44305, 88610, 177220, 221525, 443050, 886100, 1107625, 2215250, 4430500, 5538125, 11076250, 22152500]

約数ペア:

[(1, 22152500), (2, 11076250), (4, 5538125), (5, 4430500), (10, 2215250), (20, 1107625), (25, 886100), (50, 443050), (100, 221525), (125, 177220), (250, 88610), (500, 44305), (625, 35444), (1250, 17722), (2500, 8861)]