40579280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 108635904

約数和(自身を除く): 68056624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 311, 466, 560, 622, 932, 1165, 1244, 1555, 1631, 1864, 2177, 2330, 2488, 3110, 3262, 3728, 4354, 4660, 4976, 6220, 6524, 8155, 8708, 9320, 10885, 12440, 13048, 16310, 17416, 18640, 21770, 24880, 26096, 32620, 34832, 43540, 65240, 72463, 87080, 130480, 144926, 174160, 289852, 362315, 507241, 579704, 724630, 1014482, 1159408, 1449260, 2028964, 2536205, 2898520, 4057928, 5072410, 5797040, 8115856, 10144820, 20289640, 40579280]

約数ペア:

[(1, 40579280), (2, 20289640), (4, 10144820), (5, 8115856), (7, 5797040), (8, 5072410), (10, 4057928), (14, 2898520), (16, 2536205), (20, 2028964), (28, 1449260), (35, 1159408), (40, 1014482), (56, 724630), (70, 579704), (80, 507241), (112, 362315), (140, 289852), (233, 174160), (280, 144926), (311, 130480), (466, 87080), (560, 72463), (622, 65240), (932, 43540), (1165, 34832), (1244, 32620), (1555, 26096), (1631, 24880), (1864, 21770), (2177, 18640), (2330, 17416), (2488, 16310), (3110, 13048), (3262, 12440), (3728, 10885), (4354, 9320), (4660, 8708), (4976, 8155), (6220, 6524)]