1285758875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{941}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 1703467584

約数和(自身を除く): 417708709

約数列:

[1, 5, 17, 25, 85, 125, 425, 643, 941, 2125, 3215, 4705, 10931, 15997, 16075, 23525, 54655, 79985, 80375, 117625, 273275, 399925, 605063, 1366375, 1999625, 3025315, 10286071, 15126575, 51430355, 75632875, 257151775, 1285758875]

約数ペア:

[(1, 1285758875), (5, 257151775), (17, 75632875), (25, 51430355), (85, 15126575), (125, 10286071), (425, 3025315), (643, 1999625), (941, 1366375), (2125, 605063), (3215, 399925), (4705, 273275), (10931, 117625), (15997, 80375), (16075, 79985), (23525, 54655)]