31989020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5573}}^1$

素因数の和:5630

約数の個数: 48

約数和(自身を含む): 78660288

約数和(自身を除く): 46671268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5573, 5740, 11146, 22292, 27865, 39011, 55730, 78022, 111460, 156044, 195055, 228493, 390110, 456986, 780220, 913972, 1142465, 1599451, 2284930, 3198902, 4569860, 6397804, 7997255, 15994510, 31989020]

約数ペア:

[(1, 31989020), (2, 15994510), (4, 7997255), (5, 6397804), (7, 4569860), (10, 3198902), (14, 2284930), (20, 1599451), (28, 1142465), (35, 913972), (41, 780220), (70, 456986), (82, 390110), (140, 228493), (164, 195055), (205, 156044), (287, 111460), (410, 78022), (574, 55730), (820, 39011), (1148, 27865), (1435, 22292), (2870, 11146), (5573, 5740)]