5281640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 14636160

約数和(自身を除く): 9354520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1451, 1820, 2902, 3640, 5804, 7255, 10157, 11608, 14510, 18863, 20314, 29020, 37726, 40628, 50785, 58040, 75452, 81256, 94315, 101570, 132041, 150904, 188630, 203140, 264082, 377260, 406280, 528164, 660205, 754520, 1056328, 1320410, 2640820, 5281640]

約数ペア:

[(1, 5281640), (2, 2640820), (4, 1320410), (5, 1056328), (7, 754520), (8, 660205), (10, 528164), (13, 406280), (14, 377260), (20, 264082), (26, 203140), (28, 188630), (35, 150904), (40, 132041), (52, 101570), (56, 94315), (65, 81256), (70, 75452), (91, 58040), (104, 50785), (130, 40628), (140, 37726), (182, 29020), (260, 20314), (280, 18863), (364, 14510), (455, 11608), (520, 10157), (728, 7255), (910, 5804), (1451, 3640), (1820, 2902)]