40405328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{148549}}^1$

素因数の和:148574

約数の個数: 20

約数和(自身を含む): 82890900

約数和(自身を除く): 42485572

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 148549, 297098, 594196, 1188392, 2376784, 2525333, 5050666, 10101332, 20202664, 40405328]

約数ペア:

[(1, 40405328), (2, 20202664), (4, 10101332), (8, 5050666), (16, 2525333), (17, 2376784), (34, 1188392), (68, 594196), (136, 297098), (272, 148549)]