82848280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20507}}^1$

素因数の和:20619

約数の個数: 32

約数和(自身を含む): 188263440

約数和(自身を除く): 105415160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 20507, 41014, 82028, 102535, 164056, 205070, 410140, 820280, 2071207, 4142414, 8284828, 10356035, 16569656, 20712070, 41424140, 82848280]

約数ペア:

[(1, 82848280), (2, 41424140), (4, 20712070), (5, 16569656), (8, 10356035), (10, 8284828), (20, 4142414), (40, 2071207), (101, 820280), (202, 410140), (404, 205070), (505, 164056), (808, 102535), (1010, 82028), (2020, 41014), (4040, 20507)]