13251980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 32148480

約数和(自身を除く): 18896500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 919, 1030, 1442, 1838, 2060, 2884, 3605, 3676, 4595, 6433, 7210, 9190, 12866, 14420, 18380, 25732, 32165, 64330, 94657, 128660, 189314, 378628, 473285, 662599, 946570, 1325198, 1893140, 2650396, 3312995, 6625990, 13251980]

約数ペア:

[(1, 13251980), (2, 6625990), (4, 3312995), (5, 2650396), (7, 1893140), (10, 1325198), (14, 946570), (20, 662599), (28, 473285), (35, 378628), (70, 189314), (103, 128660), (140, 94657), (206, 64330), (412, 32165), (515, 25732), (721, 18380), (919, 14420), (1030, 12866), (1442, 9190), (1838, 7210), (2060, 6433), (2884, 4595), (3605, 3676)]