641316440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{552859}}^1$

素因数の和:552899

約数の個数: 32

約数和(自身を含む): 1492722000

約数和(自身を除く): 851405560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 552859, 1105718, 2211436, 2764295, 4422872, 5528590, 11057180, 16032911, 22114360, 32065822, 64131644, 80164555, 128263288, 160329110, 320658220, 641316440]

約数ペア:

[(1, 641316440), (2, 320658220), (4, 160329110), (5, 128263288), (8, 80164555), (10, 64131644), (20, 32065822), (29, 22114360), (40, 16032911), (58, 11057180), (116, 5528590), (145, 4422872), (232, 2764295), (290, 2211436), (580, 1105718), (1160, 552859)]