2017481875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 2606578128

約数和(自身を除く): 589096253

約数列:

[1, 5, 25, 41, 125, 131, 205, 601, 625, 655, 1025, 3005, 3275, 5125, 5371, 15025, 16375, 24641, 25625, 26855, 75125, 78731, 81875, 123205, 134275, 375625, 393655, 616025, 671375, 1968275, 3080125, 3227971, 3356875, 9841375, 15400625, 16139855, 49206875, 80699275, 403496375, 2017481875]

約数ペア:

[(1, 2017481875), (5, 403496375), (25, 80699275), (41, 49206875), (125, 16139855), (131, 15400625), (205, 9841375), (601, 3356875), (625, 3227971), (655, 3080125), (1025, 1968275), (3005, 671375), (3275, 616025), (5125, 393655), (5371, 375625), (15025, 134275), (16375, 123205), (24641, 81875), (25625, 78731), (26855, 75125)]