2021581875

素因数分解:

$3^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{26297}}^1$

素因数の和:26361

約数の個数: 40

約数和(自身を含む): 3450507984

約数和(自身を除く): 1428926109

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 625, 1025, 1875, 3075, 5125, 15375, 25625, 26297, 76875, 78891, 131485, 394455, 657425, 1078177, 1972275, 3234531, 3287125, 5390885, 9861375, 16172655, 16435625, 26954425, 49306875, 80863275, 134772125, 404316375, 673860625, 2021581875]

約数ペア:

[(1, 2021581875), (3, 673860625), (5, 404316375), (15, 134772125), (25, 80863275), (41, 49306875), (75, 26954425), (123, 16435625), (125, 16172655), (205, 9861375), (375, 5390885), (615, 3287125), (625, 3234531), (1025, 1972275), (1875, 1078177), (3075, 657425), (5125, 394455), (15375, 131485), (25625, 78891), (26297, 76875)]