87938080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28927}}^1$

素因数の和:28961

約数の個数: 48

約数和(自身を含む): 218695680

約数和(自身を除く): 130757600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28927, 57854, 115708, 144635, 231416, 289270, 462832, 549613, 578540, 925664, 1099226, 1157080, 2198452, 2314160, 2748065, 4396904, 4628320, 5496130, 8793808, 10992260, 17587616, 21984520, 43969040, 87938080]

約数ペア:

[(1, 87938080), (2, 43969040), (4, 21984520), (5, 17587616), (8, 10992260), (10, 8793808), (16, 5496130), (19, 4628320), (20, 4396904), (32, 2748065), (38, 2314160), (40, 2198452), (76, 1157080), (80, 1099226), (95, 925664), (152, 578540), (160, 549613), (190, 462832), (304, 289270), (380, 231416), (608, 144635), (760, 115708), (1520, 57854), (3040, 28927)]