80489744

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{82469}}^1$

素因数の和:82538

約数の個数: 20

約数和(自身を含む): 158507340

約数和(自身を除く): 78017596

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 82469, 164938, 329876, 659752, 1319504, 5030609, 10061218, 20122436, 40244872, 80489744]

約数ペア:

[(1, 80489744), (2, 40244872), (4, 20122436), (8, 10061218), (16, 5030609), (61, 1319504), (122, 659752), (244, 329876), (488, 164938), (976, 82469)]