8920160

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 21255696

約数和(自身を除く): 12335536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 283, 394, 566, 788, 985, 1132, 1415, 1576, 1970, 2264, 2830, 3152, 3940, 4528, 5660, 6304, 7880, 9056, 11320, 15760, 22640, 31520, 45280, 55751, 111502, 223004, 278755, 446008, 557510, 892016, 1115020, 1784032, 2230040, 4460080, 8920160]

約数ペア:

[(1, 8920160), (2, 4460080), (4, 2230040), (5, 1784032), (8, 1115020), (10, 892016), (16, 557510), (20, 446008), (32, 278755), (40, 223004), (80, 111502), (160, 55751), (197, 45280), (283, 31520), (394, 22640), (566, 15760), (788, 11320), (985, 9056), (1132, 7880), (1415, 6304), (1576, 5660), (1970, 4528), (2264, 3940), (2830, 3152)]