8357000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 20021040

約数和(自身を除く): 11664040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 137, 200, 244, 250, 274, 305, 488, 500, 548, 610, 685, 1000, 1096, 1220, 1370, 1525, 2440, 2740, 3050, 3425, 5480, 6100, 6850, 7625, 8357, 12200, 13700, 15250, 16714, 17125, 27400, 30500, 33428, 34250, 41785, 61000, 66856, 68500, 83570, 137000, 167140, 208925, 334280, 417850, 835700, 1044625, 1671400, 2089250, 4178500, 8357000]

約数ペア:

[(1, 8357000), (2, 4178500), (4, 2089250), (5, 1671400), (8, 1044625), (10, 835700), (20, 417850), (25, 334280), (40, 208925), (50, 167140), (61, 137000), (100, 83570), (122, 68500), (125, 66856), (137, 61000), (200, 41785), (244, 34250), (250, 33428), (274, 30500), (305, 27400), (488, 17125), (500, 16714), (548, 15250), (610, 13700), (685, 12200), (1000, 8357), (1096, 7625), (1220, 6850), (1370, 6100), (1525, 5480), (2440, 3425), (2740, 3050)]