66267280

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2927}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 154668672

約数和(自身を除く): 88401392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 2264, 2830, 2927, 4528, 5660, 5854, 11320, 11708, 14635, 22640, 23416, 29270, 46832, 58540, 117080, 234160, 828341, 1656682, 3313364, 4141705, 6626728, 8283410, 13253456, 16566820, 33133640, 66267280]

約数ペア:

[(1, 66267280), (2, 33133640), (4, 16566820), (5, 13253456), (8, 8283410), (10, 6626728), (16, 4141705), (20, 3313364), (40, 1656682), (80, 828341), (283, 234160), (566, 117080), (1132, 58540), (1415, 46832), (2264, 29270), (2830, 23416), (2927, 22640), (4528, 14635), (5660, 11708), (5854, 11320)]