8563040

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 20457360

約数和(自身を除く): 11894320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 491, 545, 872, 982, 1090, 1744, 1964, 2180, 2455, 3488, 3928, 4360, 4910, 7856, 8720, 9820, 15712, 17440, 19640, 39280, 53519, 78560, 107038, 214076, 267595, 428152, 535190, 856304, 1070380, 1712608, 2140760, 4281520, 8563040]

約数ペア:

[(1, 8563040), (2, 4281520), (4, 2140760), (5, 1712608), (8, 1070380), (10, 856304), (16, 535190), (20, 428152), (32, 267595), (40, 214076), (80, 107038), (109, 78560), (160, 53519), (218, 39280), (436, 19640), (491, 17440), (545, 15712), (872, 9820), (982, 8720), (1090, 7856), (1744, 4910), (1964, 4360), (2180, 3928), (2455, 3488)]