61421020

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{11677}}^1$

素因数の和:11949

約数の個数: 24

約数和(自身を含む): 129485664

約数和(自身を除く): 68064644

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 11677, 23354, 46708, 58385, 116770, 233540, 3071051, 6142102, 12284204, 15355255, 30710510, 61421020]

約数ペア:

[(1, 61421020), (2, 30710510), (4, 15355255), (5, 12284204), (10, 6142102), (20, 3071051), (263, 233540), (526, 116770), (1052, 58385), (1315, 46708), (2630, 23354), (5260, 11677)]