31056875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 42736320

約数和(自身を除く): 11679445

約数列:

[1, 5, 17, 25, 37, 79, 85, 125, 185, 395, 425, 625, 629, 925, 1343, 1975, 2125, 2923, 3145, 4625, 6715, 9875, 10625, 14615, 15725, 23125, 33575, 49375, 49691, 73075, 78625, 167875, 248455, 365375, 393125, 839375, 1242275, 1826875, 6211375, 31056875]

約数ペア:

[(1, 31056875), (5, 6211375), (17, 1826875), (25, 1242275), (37, 839375), (79, 393125), (85, 365375), (125, 248455), (185, 167875), (395, 78625), (425, 73075), (625, 49691), (629, 49375), (925, 33575), (1343, 23125), (1975, 15725), (2125, 14615), (2923, 10625), (3145, 9875), (4625, 6715)]