31875425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 10309375

約数列:

[1, 5, 17, 25, 85, 179, 419, 425, 895, 2095, 3043, 4475, 7123, 10475, 15215, 35615, 75001, 76075, 178075, 375005, 1275017, 1875025, 6375085, 31875425]

約数ペア:

[(1, 31875425), (5, 6375085), (17, 1875025), (25, 1275017), (85, 375005), (179, 178075), (419, 76075), (425, 75001), (895, 35615), (2095, 15215), (3043, 10475), (4475, 7123)]