12837320

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{659}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 28987200

約数和(自身を除く): 16149880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 659, 974, 1318, 1948, 2435, 2636, 3295, 3896, 4870, 5272, 6590, 9740, 13180, 19480, 26360, 320933, 641866, 1283732, 1604665, 2567464, 3209330, 6418660, 12837320]

約数ペア:

[(1, 12837320), (2, 6418660), (4, 3209330), (5, 2567464), (8, 1604665), (10, 1283732), (20, 641866), (40, 320933), (487, 26360), (659, 19480), (974, 13180), (1318, 9740), (1948, 6590), (2435, 5272), (2636, 4870), (3295, 3896)]