2018568280

素因数分解:

$2^3\times 5^1\times {\mathrm{3967}}^1\times {\mathrm{12721}}^1$

素因数の和:16699

約数の個数: 32

約数和(自身を含む): 4543280640

約数和(自身を除く): 2524712360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3967, 7934, 12721, 15868, 19835, 25442, 31736, 39670, 50884, 63605, 79340, 101768, 127210, 158680, 254420, 508840, 50464207, 100928414, 201856828, 252321035, 403713656, 504642070, 1009284140, 2018568280]

約数ペア:

[(1, 2018568280), (2, 1009284140), (4, 504642070), (5, 403713656), (8, 252321035), (10, 201856828), (20, 100928414), (40, 50464207), (3967, 508840), (7934, 254420), (12721, 158680), (15868, 127210), (19835, 101768), (25442, 79340), (31736, 63605), (39670, 50884)]