25220960

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 59902416

約数和(自身を除く): 34681456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 557, 566, 1114, 1132, 1415, 2228, 2264, 2785, 2830, 4456, 4528, 5570, 5660, 8912, 9056, 11140, 11320, 17824, 22280, 22640, 44560, 45280, 89120, 157631, 315262, 630524, 788155, 1261048, 1576310, 2522096, 3152620, 5044192, 6305240, 12610480, 25220960]

約数ペア:

[(1, 25220960), (2, 12610480), (4, 6305240), (5, 5044192), (8, 3152620), (10, 2522096), (16, 1576310), (20, 1261048), (32, 788155), (40, 630524), (80, 315262), (160, 157631), (283, 89120), (557, 45280), (566, 44560), (1114, 22640), (1132, 22280), (1415, 17824), (2228, 11320), (2264, 11140), (2785, 9056), (2830, 8912), (4456, 5660), (4528, 5570)]