28182320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18541}}^1$

素因数の和:18573

約数の個数: 40

約数和(自身を含む): 68976240

約数和(自身を除く): 40793920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18541, 37082, 74164, 92705, 148328, 185410, 296656, 352279, 370820, 704558, 741640, 1409116, 1483280, 1761395, 2818232, 3522790, 5636464, 7045580, 14091160, 28182320]

約数ペア:

[(1, 28182320), (2, 14091160), (4, 7045580), (5, 5636464), (8, 3522790), (10, 2818232), (16, 1761395), (19, 1483280), (20, 1409116), (38, 741640), (40, 704558), (76, 370820), (80, 352279), (95, 296656), (152, 185410), (190, 148328), (304, 92705), (380, 74164), (760, 37082), (1520, 18541)]