42880720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28211}}^1$

素因数の和:28243

約数の個数: 40

約数和(自身を含む): 104948640

約数和(自身を除く): 62067920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 28211, 56422, 112844, 141055, 225688, 282110, 451376, 536009, 564220, 1072018, 1128440, 2144036, 2256880, 2680045, 4288072, 5360090, 8576144, 10720180, 21440360, 42880720]

約数ペア:

[(1, 42880720), (2, 21440360), (4, 10720180), (5, 8576144), (8, 5360090), (10, 4288072), (16, 2680045), (19, 2256880), (20, 2144036), (38, 1128440), (40, 1072018), (76, 564220), (80, 536009), (95, 451376), (152, 282110), (190, 225688), (304, 141055), (380, 112844), (760, 56422), (1520, 28211)]