22205000

素因数分解:

$2^3\times 5^4\times {\mathrm{4441}}^1$

素因数の和:4467

約数の個数: 40

約数和(自身を含む): 52038030

約数和(自身を除く): 29833030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4441, 5000, 8882, 17764, 22205, 35528, 44410, 88820, 111025, 177640, 222050, 444100, 555125, 888200, 1110250, 2220500, 2775625, 4441000, 5551250, 11102500, 22205000]

約数ペア:

[(1, 22205000), (2, 11102500), (4, 5551250), (5, 4441000), (8, 2775625), (10, 2220500), (20, 1110250), (25, 888200), (40, 555125), (50, 444100), (100, 222050), (125, 177640), (200, 111025), (250, 88820), (500, 44410), (625, 35528), (1000, 22205), (1250, 17764), (2500, 8882), (4441, 5000)]