83656280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20707}}^1$

素因数の和:20819

約数の個数: 32

約数和(自身を含む): 190099440

約数和(自身を除く): 106443160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 20707, 41414, 82828, 103535, 165656, 207070, 414140, 828280, 2091407, 4182814, 8365628, 10457035, 16731256, 20914070, 41828140, 83656280]

約数ペア:

[(1, 83656280), (2, 41828140), (4, 20914070), (5, 16731256), (8, 10457035), (10, 8365628), (20, 4182814), (40, 2091407), (101, 828280), (202, 414140), (404, 207070), (505, 165656), (808, 103535), (1010, 82828), (2020, 41414), (4040, 20707)]