39428080

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{911}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 91940544

約数和(自身を除く): 52512464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 911, 1082, 1822, 2164, 2705, 3644, 4328, 4555, 5410, 7288, 8656, 9110, 10820, 14576, 18220, 21640, 36440, 43280, 72880, 492851, 985702, 1971404, 2464255, 3942808, 4928510, 7885616, 9857020, 19714040, 39428080]

約数ペア:

[(1, 39428080), (2, 19714040), (4, 9857020), (5, 7885616), (8, 4928510), (10, 3942808), (16, 2464255), (20, 1971404), (40, 985702), (80, 492851), (541, 72880), (911, 43280), (1082, 36440), (1822, 21640), (2164, 18220), (2705, 14576), (3644, 10820), (4328, 9110), (4555, 8656), (5410, 7288)]