27850000

素因数分解:

$2^4\times 5^5\times {\mathrm{557}}^1$

素因数の和:590

約数の個数: 60

約数和(自身を含む): 67565988

約数和(自身を除く): 39715988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 557, 625, 1000, 1114, 1250, 2000, 2228, 2500, 2785, 3125, 4456, 5000, 5570, 6250, 8912, 10000, 11140, 12500, 13925, 22280, 25000, 27850, 44560, 50000, 55700, 69625, 111400, 139250, 222800, 278500, 348125, 557000, 696250, 1114000, 1392500, 1740625, 2785000, 3481250, 5570000, 6962500, 13925000, 27850000]

約数ペア:

[(1, 27850000), (2, 13925000), (4, 6962500), (5, 5570000), (8, 3481250), (10, 2785000), (16, 1740625), (20, 1392500), (25, 1114000), (40, 696250), (50, 557000), (80, 348125), (100, 278500), (125, 222800), (200, 139250), (250, 111400), (400, 69625), (500, 55700), (557, 50000), (625, 44560), (1000, 27850), (1114, 25000), (1250, 22280), (2000, 13925), (2228, 12500), (2500, 11140), (2785, 10000), (3125, 8912), (4456, 6250), (5000, 5570)]