618125

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 20

約数和(自身を含む): 824736

約数和(自身を除く): 206611

約数列:

[1, 5, 23, 25, 43, 115, 125, 215, 575, 625, 989, 1075, 2875, 4945, 5375, 14375, 24725, 26875, 123625, 618125]

約数ペア:

[(1, 618125), (5, 123625), (23, 26875), (25, 24725), (43, 14375), (115, 5375), (125, 4945), (215, 2875), (575, 1075), (625, 989)]