80243888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122323}}^1$

素因数の和:122372

約数の個数: 20

約数和(自身を含む): 159265848

約数和(自身を除く): 79021960

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122323, 244646, 489292, 978584, 1957168, 5015243, 10030486, 20060972, 40121944, 80243888]

約数ペア:

[(1, 80243888), (2, 40121944), (4, 20060972), (8, 10030486), (16, 5015243), (41, 1957168), (82, 978584), (164, 489292), (328, 244646), (656, 122323)]