168100

素因数分解:

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

素因数の和:96

約数の個数: 27

約数和(自身を含む): 373891

約数和(自身を除く): 205791

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1681, 2050, 3362, 4100, 6724, 8405, 16810, 33620, 42025, 84050, 168100]

約数ペア:

[(1, 168100), (2, 84050), (4, 42025), (5, 33620), (10, 16810), (20, 8405), (25, 6724), (41, 4100), (50, 3362), (82, 2050), (100, 1681), (164, 1025), (205, 820)]