40773880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 108591840

約数和(自身を除く): 67817960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 293, 355, 392, 490, 497, 568, 586, 710, 980, 994, 1172, 1420, 1465, 1960, 1988, 2051, 2344, 2485, 2840, 2930, 3479, 3976, 4102, 4970, 5860, 6958, 8204, 9940, 10255, 11720, 13916, 14357, 16408, 17395, 19880, 20510, 20803, 27832, 28714, 34790, 41020, 41606, 57428, 69580, 71785, 82040, 83212, 104015, 114856, 139160, 143570, 145621, 166424, 208030, 287140, 291242, 416060, 574280, 582484, 728105, 832120, 1019347, 1164968, 1456210, 2038694, 2912420, 4077388, 5096735, 5824840, 8154776, 10193470, 20386940, 40773880]

約数ペア:

[(1, 40773880), (2, 20386940), (4, 10193470), (5, 8154776), (7, 5824840), (8, 5096735), (10, 4077388), (14, 2912420), (20, 2038694), (28, 1456210), (35, 1164968), (40, 1019347), (49, 832120), (56, 728105), (70, 582484), (71, 574280), (98, 416060), (140, 291242), (142, 287140), (196, 208030), (245, 166424), (280, 145621), (284, 143570), (293, 139160), (355, 114856), (392, 104015), (490, 83212), (497, 82040), (568, 71785), (586, 69580), (710, 57428), (980, 41606), (994, 41020), (1172, 34790), (1420, 28714), (1465, 27832), (1960, 20803), (1988, 20510), (2051, 19880), (2344, 17395), (2485, 16408), (2840, 14357), (2930, 13916), (3479, 11720), (3976, 10255), (4102, 9940), (4970, 8204), (5860, 6958)]