1019168080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{25633}}^1$

素因数の和:25724

約数の個数: 80

約数和(自身を含む): 2746324224

約数和(自身を除く): 1727156144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 25633, 39760, 51266, 102532, 128165, 179431, 205064, 256330, 358862, 410128, 512660, 717724, 897155, 1025320, 1435448, 1794310, 1819943, 2050640, 2870896, 3588620, 3639886, 7177240, 7279772, 9099715, 12739601, 14354480, 14559544, 18199430, 25479202, 29119088, 36398860, 50958404, 63698005, 72797720, 101916808, 127396010, 145595440, 203833616, 254792020, 509584040, 1019168080]

約数ペア:

[(1, 1019168080), (2, 509584040), (4, 254792020), (5, 203833616), (7, 145595440), (8, 127396010), (10, 101916808), (14, 72797720), (16, 63698005), (20, 50958404), (28, 36398860), (35, 29119088), (40, 25479202), (56, 18199430), (70, 14559544), (71, 14354480), (80, 12739601), (112, 9099715), (140, 7279772), (142, 7177240), (280, 3639886), (284, 3588620), (355, 2870896), (497, 2050640), (560, 1819943), (568, 1794310), (710, 1435448), (994, 1025320), (1136, 897155), (1420, 717724), (1988, 512660), (2485, 410128), (2840, 358862), (3976, 256330), (4970, 205064), (5680, 179431), (7952, 128165), (9940, 102532), (19880, 51266), (25633, 39760)]