4133125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:426

約数の個数: 20

約数和(自身を含む): 5482620

約数和(自身を除く): 1349495

約数列:

[1, 5, 17, 25, 85, 125, 389, 425, 625, 1945, 2125, 6613, 9725, 10625, 33065, 48625, 165325, 243125, 826625, 4133125]

約数ペア:

[(1, 4133125), (5, 826625), (17, 243125), (25, 165325), (85, 48625), (125, 33065), (389, 10625), (425, 9725), (625, 6613), (1945, 2125)]