80481872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{264743}}^1$

素因数の和:264770

約数の個数: 20

約数和(自身を含む): 164141280

約数和(自身を除く): 83659408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 264743, 529486, 1058972, 2117944, 4235888, 5030117, 10060234, 20120468, 40240936, 80481872]

約数ペア:

[(1, 80481872), (2, 40240936), (4, 20120468), (8, 10060234), (16, 5030117), (19, 4235888), (38, 2117944), (76, 1058972), (152, 529486), (304, 264743)]