83328625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 109549440

約数和(自身を除く): 26220815

約数列:

[1, 5, 25, 37, 43, 125, 185, 215, 419, 925, 1075, 1591, 2095, 4625, 5375, 7955, 10475, 15503, 18017, 39775, 52375, 77515, 90085, 198875, 387575, 450425, 666629, 1937875, 2252125, 3333145, 16665725, 83328625]

約数ペア:

[(1, 83328625), (5, 16665725), (25, 3333145), (37, 2252125), (43, 1937875), (125, 666629), (185, 450425), (215, 387575), (419, 198875), (925, 90085), (1075, 77515), (1591, 52375), (2095, 39775), (4625, 18017), (5375, 15503), (7955, 10475)]