8918320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2719}}^1$

素因数の和:2773

約数の個数: 40

約数和(自身を含む): 21248640

約数和(自身を除く): 12330320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2719, 3280, 5438, 10876, 13595, 21752, 27190, 43504, 54380, 108760, 111479, 217520, 222958, 445916, 557395, 891832, 1114790, 1783664, 2229580, 4459160, 8918320]

約数ペア:

[(1, 8918320), (2, 4459160), (4, 2229580), (5, 1783664), (8, 1114790), (10, 891832), (16, 557395), (20, 445916), (40, 222958), (41, 217520), (80, 111479), (82, 108760), (164, 54380), (205, 43504), (328, 27190), (410, 21752), (656, 13595), (820, 10876), (1640, 5438), (2719, 3280)]