8188240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5419

約数の個数: 40

約数和(自身を含む): 20043360

約数和(自身を除く): 11855120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5387, 10774, 21548, 26935, 43096, 53870, 86192, 102353, 107740, 204706, 215480, 409412, 430960, 511765, 818824, 1023530, 1637648, 2047060, 4094120, 8188240]

約数ペア:

[(1, 8188240), (2, 4094120), (4, 2047060), (5, 1637648), (8, 1023530), (10, 818824), (16, 511765), (19, 430960), (20, 409412), (38, 215480), (40, 204706), (76, 107740), (80, 102353), (95, 86192), (152, 53870), (190, 43096), (304, 26935), (380, 21548), (760, 10774), (1520, 5387)]