28620160

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 69070320

約数和(自身を除く): 40450160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 227, 320, 394, 454, 640, 788, 908, 985, 1135, 1576, 1816, 1970, 2270, 3152, 3632, 3940, 4540, 6304, 7264, 7880, 9080, 12608, 14528, 15760, 18160, 25216, 29056, 31520, 36320, 44719, 63040, 72640, 89438, 126080, 145280, 178876, 223595, 357752, 447190, 715504, 894380, 1431008, 1788760, 2862016, 3577520, 5724032, 7155040, 14310080, 28620160]

約数ペア:

[(1, 28620160), (2, 14310080), (4, 7155040), (5, 5724032), (8, 3577520), (10, 2862016), (16, 1788760), (20, 1431008), (32, 894380), (40, 715504), (64, 447190), (80, 357752), (128, 223595), (160, 178876), (197, 145280), (227, 126080), (320, 89438), (394, 72640), (454, 63040), (640, 44719), (788, 36320), (908, 31520), (985, 29056), (1135, 25216), (1576, 18160), (1816, 15760), (1970, 14528), (2270, 12608), (3152, 9080), (3632, 7880), (3940, 7264), (4540, 6304)]