82971250

素因数分解:

$2^1\times 5^4\times {\mathrm{66377}}^1$

素因数の和:66399

約数の個数: 20

約数和(自身を含む): 155523654

約数和(自身を除く): 72552404

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 66377, 132754, 331885, 663770, 1659425, 3318850, 8297125, 16594250, 41485625, 82971250]

約数ペア:

[(1, 82971250), (2, 41485625), (5, 16594250), (10, 8297125), (25, 3318850), (50, 1659425), (125, 663770), (250, 331885), (625, 132754), (1250, 66377)]