4069375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:420

約数の個数: 20

約数和(自身を含む): 5398272

約数和(自身を除く): 1328897

約数列:

[1, 5, 17, 25, 85, 125, 383, 425, 625, 1915, 2125, 6511, 9575, 10625, 32555, 47875, 162775, 239375, 813875, 4069375]

約数ペア:

[(1, 4069375), (5, 813875), (17, 239375), (25, 162775), (85, 47875), (125, 32555), (383, 10625), (425, 9575), (625, 6511), (1915, 2125)]