31752370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7930

約数の個数: 32

約数和(自身を含む): 63544320

約数和(自身を除く): 31791950

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7879, 15758, 39395, 78790, 102427, 204854, 244249, 488498, 512135, 1024270, 1221245, 2442490, 3175237, 6350474, 15876185, 31752370]

約数ペア:

[(1, 31752370), (2, 15876185), (5, 6350474), (10, 3175237), (13, 2442490), (26, 1221245), (31, 1024270), (62, 512135), (65, 488498), (130, 244249), (155, 204854), (310, 102427), (403, 78790), (806, 39395), (2015, 15758), (4030, 7879)]