72920195

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 93817440

約数和(自身を除く): 20897245

約数列:

[1, 5, 19, 71, 95, 355, 361, 569, 1349, 1805, 2845, 6745, 10811, 25631, 40399, 54055, 128155, 201995, 205409, 767581, 1027045, 3837905, 14584039, 72920195]

約数ペア:

[(1, 72920195), (5, 14584039), (19, 3837905), (71, 1027045), (95, 767581), (355, 205409), (361, 201995), (569, 128155), (1349, 54055), (1805, 40399), (2845, 25631), (6745, 10811)]