8657440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4919}}^1$

素因数の和:4945

約数の個数: 48

約数和(自身を含む): 22317120

約数和(自身を除く): 13659680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 4919, 9838, 19676, 24595, 39352, 49190, 54109, 78704, 98380, 108218, 157408, 196760, 216436, 270545, 393520, 432872, 541090, 787040, 865744, 1082180, 1731488, 2164360, 4328720, 8657440]

約数ペア:

[(1, 8657440), (2, 4328720), (4, 2164360), (5, 1731488), (8, 1082180), (10, 865744), (11, 787040), (16, 541090), (20, 432872), (22, 393520), (32, 270545), (40, 216436), (44, 196760), (55, 157408), (80, 108218), (88, 98380), (110, 78704), (160, 54109), (176, 49190), (220, 39352), (352, 24595), (440, 19676), (880, 9838), (1760, 4919)]