11125000

素因数分解:

$2^3\times 5^6\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 56

約数和(自身を含む): 26366850

約数和(自身を除く): 15241850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 356, 445, 500, 625, 712, 890, 1000, 1250, 1780, 2225, 2500, 3125, 3560, 4450, 5000, 6250, 8900, 11125, 12500, 15625, 17800, 22250, 25000, 31250, 44500, 55625, 62500, 89000, 111250, 125000, 222500, 278125, 445000, 556250, 1112500, 1390625, 2225000, 2781250, 5562500, 11125000]

約数ペア:

[(1, 11125000), (2, 5562500), (4, 2781250), (5, 2225000), (8, 1390625), (10, 1112500), (20, 556250), (25, 445000), (40, 278125), (50, 222500), (89, 125000), (100, 111250), (125, 89000), (178, 62500), (200, 55625), (250, 44500), (356, 31250), (445, 25000), (500, 22250), (625, 17800), (712, 15625), (890, 12500), (1000, 11125), (1250, 8900), (1780, 6250), (2225, 5000), (2500, 4450), (3125, 3560)]