68454280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39799}}^1$

素因数の和:39853

約数の個数: 32

約数和(自身を含む): 157608000

約数和(自身を除く): 89153720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 39799, 79598, 159196, 198995, 318392, 397990, 795980, 1591960, 1711357, 3422714, 6845428, 8556785, 13690856, 17113570, 34227140, 68454280]

約数ペア:

[(1, 68454280), (2, 34227140), (4, 17113570), (5, 13690856), (8, 8556785), (10, 6845428), (20, 3422714), (40, 1711357), (43, 1591960), (86, 795980), (172, 397990), (215, 318392), (344, 198995), (430, 159196), (860, 79598), (1720, 39799)]