1320460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 2804256

約数和(自身を除く): 1483796

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 641, 1030, 1282, 2060, 2564, 3205, 6410, 12820, 66023, 132046, 264092, 330115, 660230, 1320460]

約数ペア:

[(1, 1320460), (2, 660230), (4, 330115), (5, 264092), (10, 132046), (20, 66023), (103, 12820), (206, 6410), (412, 3205), (515, 2564), (641, 2060), (1030, 1282)]