65450020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{32401}}^1$

素因数の和:32511

約数の個数: 24

約数和(自身を含む): 138810168

約数和(自身を除く): 73360148

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 32401, 64802, 129604, 162005, 324010, 648020, 3272501, 6545002, 13090004, 16362505, 32725010, 65450020]

約数ペア:

[(1, 65450020), (2, 32725010), (4, 16362505), (5, 13090004), (10, 6545002), (20, 3272501), (101, 648020), (202, 324010), (404, 162005), (505, 129604), (1010, 64802), (2020, 32401)]