81036680950

素因数分解:

$2^1\times 5^2\times {\mathrm{5281}}^1\times {\mathrm{306899}}^1$

素因数の和:312192

約数の個数: 24

約数和(自身を含む): 150757259400

約数和(自身を除く): 69720578450

約数列:

[1, 2, 5, 10, 25, 50, 5281, 10562, 26405, 52810, 132025, 264050, 306899, 613798, 1534495, 3068990, 7672475, 15344950, 1620733619, 3241467238, 8103668095, 16207336190, 40518340475, 81036680950]

約数ペア:

[(1, 81036680950), (2, 40518340475), (5, 16207336190), (10, 8103668095), (25, 3241467238), (50, 1620733619), (5281, 15344950), (10562, 7672475), (26405, 3068990), (52810, 1534495), (132025, 613798), (264050, 306899)]