205901875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19379}}^1$

素因数の和:19416

約数の個数: 20

約数和(自身を含む): 272444040

約数和(自身を除く): 66542165

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 10625, 19379, 96895, 329443, 484475, 1647215, 2422375, 8236075, 12111875, 41180375, 205901875]

約数ペア:

[(1, 205901875), (5, 41180375), (17, 12111875), (25, 8236075), (85, 2422375), (125, 1647215), (425, 484475), (625, 329443), (2125, 96895), (10625, 19379)]