1643265625

素因数分解:

$5^6\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:700

約数の個数: 28

約数和(自身を含む): 2067161040

約数和(自身を除く): 423895415

約数列:

[1, 5, 25, 125, 251, 419, 625, 1255, 2095, 3125, 6275, 10475, 15625, 31375, 52375, 105169, 156875, 261875, 525845, 784375, 1309375, 2629225, 3921875, 6546875, 13146125, 65730625, 328653125, 1643265625]

約数ペア:

[(1, 1643265625), (5, 328653125), (25, 65730625), (125, 13146125), (251, 6546875), (419, 3921875), (625, 2629225), (1255, 1309375), (2095, 784375), (3125, 525845), (6275, 261875), (10475, 156875), (15625, 105169), (31375, 52375)]