129652280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{31469}}^1$

素因数の和:31583

約数の個数: 32

約数和(自身を含む): 294559200

約数和(自身を除く): 164906920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 31469, 62938, 125876, 157345, 251752, 314690, 629380, 1258760, 3241307, 6482614, 12965228, 16206535, 25930456, 32413070, 64826140, 129652280]

約数ペア:

[(1, 129652280), (2, 64826140), (4, 32413070), (5, 25930456), (8, 16206535), (10, 12965228), (20, 6482614), (40, 3241307), (103, 1258760), (206, 629380), (412, 314690), (515, 251752), (824, 157345), (1030, 125876), (2060, 62938), (4120, 31469)]