131474170

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{1021}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 241355520

約数和(自身を除く): 109881350

約数列:

[1, 2, 5, 10, 79, 158, 163, 326, 395, 790, 815, 1021, 1630, 2042, 5105, 10210, 12877, 25754, 64385, 80659, 128770, 161318, 166423, 332846, 403295, 806590, 832115, 1664230, 13147417, 26294834, 65737085, 131474170]

約数ペア:

[(1, 131474170), (2, 65737085), (5, 26294834), (10, 13147417), (79, 1664230), (158, 832115), (163, 806590), (326, 403295), (395, 332846), (790, 166423), (815, 161318), (1021, 128770), (1630, 80659), (2042, 64385), (5105, 25754), (10210, 12877)]