2518125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 4498560

約数和(自身を除く): 1980435

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 79, 85, 125, 237, 255, 375, 395, 425, 625, 1185, 1275, 1343, 1875, 1975, 2125, 4029, 5925, 6375, 6715, 9875, 10625, 20145, 29625, 31875, 33575, 49375, 100725, 148125, 167875, 503625, 839375, 2518125]

約数ペア:

[(1, 2518125), (3, 839375), (5, 503625), (15, 167875), (17, 148125), (25, 100725), (51, 49375), (75, 33575), (79, 31875), (85, 29625), (125, 20145), (237, 10625), (255, 9875), (375, 6715), (395, 6375), (425, 5925), (625, 4029), (1185, 2125), (1275, 1975), (1343, 1875)]