129706160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85333}}^1$

素因数の和:85365

約数の個数: 40

約数和(自身を含む): 317442480

約数和(自身を除く): 187736320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 85333, 170666, 341332, 426665, 682664, 853330, 1365328, 1621327, 1706660, 3242654, 3413320, 6485308, 6826640, 8106635, 12970616, 16213270, 25941232, 32426540, 64853080, 129706160]

約数ペア:

[(1, 129706160), (2, 64853080), (4, 32426540), (5, 25941232), (8, 16213270), (10, 12970616), (16, 8106635), (19, 6826640), (20, 6485308), (38, 3413320), (40, 3242654), (76, 1706660), (80, 1621327), (95, 1365328), (152, 853330), (190, 682664), (304, 426665), (380, 341332), (760, 170666), (1520, 85333)]