42689680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 109368000

約数和(自身を除く): 66678320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 349, 440, 556, 695, 698, 880, 1112, 1390, 1396, 1529, 1745, 2224, 2780, 2792, 3058, 3490, 3839, 5560, 5584, 6116, 6980, 7645, 7678, 11120, 12232, 13960, 15290, 15356, 19195, 24464, 27920, 30580, 30712, 38390, 48511, 61160, 61424, 76780, 97022, 122320, 153560, 194044, 242555, 307120, 388088, 485110, 533621, 776176, 970220, 1067242, 1940440, 2134484, 2668105, 3880880, 4268968, 5336210, 8537936, 10672420, 21344840, 42689680]

約数ペア:

[(1, 42689680), (2, 21344840), (4, 10672420), (5, 8537936), (8, 5336210), (10, 4268968), (11, 3880880), (16, 2668105), (20, 2134484), (22, 1940440), (40, 1067242), (44, 970220), (55, 776176), (80, 533621), (88, 485110), (110, 388088), (139, 307120), (176, 242555), (220, 194044), (278, 153560), (349, 122320), (440, 97022), (556, 76780), (695, 61424), (698, 61160), (880, 48511), (1112, 38390), (1390, 30712), (1396, 30580), (1529, 27920), (1745, 24464), (2224, 19195), (2780, 15356), (2792, 15290), (3058, 13960), (3490, 12232), (3839, 11120), (5560, 7678), (5584, 7645), (6116, 6980)]