80628272

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{162557}}^1$

素因数の和:162596

約数の個数: 20

約数和(自身を含む): 161257536

約数和(自身を除く): 80629264

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 162557, 325114, 650228, 1300456, 2600912, 5039267, 10078534, 20157068, 40314136, 80628272]

約数ペア:

[(1, 80628272), (2, 40314136), (4, 20157068), (8, 10078534), (16, 5039267), (31, 2600912), (62, 1300456), (124, 650228), (248, 325114), (496, 162557)]