80979387728

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{95494561}}^1$

素因数の和:95494622

約数の個数: 20

約数和(自身を含む): 159857896788

約数和(自身を除く): 78878509060

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 95494561, 190989122, 381978244, 763956488, 1527912976, 5061211733, 10122423466, 20244846932, 40489693864, 80979387728]

約数ペア:

[(1, 80979387728), (2, 40489693864), (4, 20244846932), (8, 10122423466), (16, 5061211733), (53, 1527912976), (106, 763956488), (212, 381978244), (424, 190989122), (848, 95494561)]