1021520

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^2$

素因数の和:239

約数の個数: 30

約数和(自身を含む): 2396238

約数和(自身を除く): 1374718

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 12769, 25538, 51076, 63845, 102152, 127690, 204304, 255380, 510760, 1021520]

約数ペア:

[(1, 1021520), (2, 510760), (4, 255380), (5, 204304), (8, 127690), (10, 102152), (16, 63845), (20, 51076), (40, 25538), (80, 12769), (113, 9040), (226, 4520), (452, 2260), (565, 1808), (904, 1130)]