8900080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 24712704

約数和(自身を除く): 15812624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 691, 805, 920, 1288, 1382, 1610, 1840, 2576, 2764, 3220, 3455, 4837, 5528, 6440, 6910, 9674, 11056, 12880, 13820, 15893, 19348, 24185, 27640, 31786, 38696, 48370, 55280, 63572, 77392, 79465, 96740, 111251, 127144, 158930, 193480, 222502, 254288, 317860, 386960, 445004, 556255, 635720, 890008, 1112510, 1271440, 1780016, 2225020, 4450040, 8900080]

約数ペア:

[(1, 8900080), (2, 4450040), (4, 2225020), (5, 1780016), (7, 1271440), (8, 1112510), (10, 890008), (14, 635720), (16, 556255), (20, 445004), (23, 386960), (28, 317860), (35, 254288), (40, 222502), (46, 193480), (56, 158930), (70, 127144), (80, 111251), (92, 96740), (112, 79465), (115, 77392), (140, 63572), (161, 55280), (184, 48370), (230, 38696), (280, 31786), (322, 27640), (368, 24185), (460, 19348), (560, 15893), (644, 13820), (691, 12880), (805, 11056), (920, 9674), (1288, 6910), (1382, 6440), (1610, 5528), (1840, 4837), (2576, 3455), (2764, 3220)]