82679780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{100829}}^1$

素因数の和:100879

約数の個数: 24

約数和(自身を含む): 177864120

約数和(自身を除く): 95184340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 100829, 201658, 403316, 504145, 1008290, 2016580, 4133989, 8267978, 16535956, 20669945, 41339890, 82679780]

約数ペア:

[(1, 82679780), (2, 41339890), (4, 20669945), (5, 16535956), (10, 8267978), (20, 4133989), (41, 2016580), (82, 1008290), (164, 504145), (205, 403316), (410, 201658), (820, 100829)]