85907840

素因数分解:

$2^7\times 5^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 206550000

約数和(自身を除く): 120642160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 269, 320, 499, 538, 640, 998, 1076, 1345, 1996, 2152, 2495, 2690, 3992, 4304, 4990, 5380, 7984, 8608, 9980, 10760, 15968, 17216, 19960, 21520, 31936, 34432, 39920, 43040, 63872, 79840, 86080, 134231, 159680, 172160, 268462, 319360, 536924, 671155, 1073848, 1342310, 2147696, 2684620, 4295392, 5369240, 8590784, 10738480, 17181568, 21476960, 42953920, 85907840]

約数ペア:

[(1, 85907840), (2, 42953920), (4, 21476960), (5, 17181568), (8, 10738480), (10, 8590784), (16, 5369240), (20, 4295392), (32, 2684620), (40, 2147696), (64, 1342310), (80, 1073848), (128, 671155), (160, 536924), (269, 319360), (320, 268462), (499, 172160), (538, 159680), (640, 134231), (998, 86080), (1076, 79840), (1345, 63872), (1996, 43040), (2152, 39920), (2495, 34432), (2690, 31936), (3992, 21520), (4304, 19960), (4990, 17216), (5380, 15968), (7984, 10760), (8608, 9980)]