164434520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{32369}}^1$

素因数の和:32507

約数の個数: 32

約数和(自身を含む): 372902400

約数和(自身を除く): 208467880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 32369, 64738, 129476, 161845, 258952, 323690, 647380, 1294760, 4110863, 8221726, 16443452, 20554315, 32886904, 41108630, 82217260, 164434520]

約数ペア:

[(1, 164434520), (2, 82217260), (4, 41108630), (5, 32886904), (8, 20554315), (10, 16443452), (20, 8221726), (40, 4110863), (127, 1294760), (254, 647380), (508, 323690), (635, 258952), (1016, 161845), (1270, 129476), (2540, 64738), (5080, 32369)]