72052580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87869}}^1$

素因数の和:87919

約数の個数: 24

約数和(自身を含む): 155002680

約数和(自身を除く): 82950100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87869, 175738, 351476, 439345, 878690, 1757380, 3602629, 7205258, 14410516, 18013145, 36026290, 72052580]

約数ペア:

[(1, 72052580), (2, 36026290), (4, 18013145), (5, 14410516), (10, 7205258), (20, 3602629), (41, 1757380), (82, 878690), (164, 439345), (205, 351476), (410, 175738), (820, 87869)]