8190980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 20151936

約数和(自身を除く): 11960956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1427, 1435, 2854, 2870, 5708, 5740, 7135, 9989, 14270, 19978, 28540, 39956, 49945, 58507, 99890, 117014, 199780, 234028, 292535, 409549, 585070, 819098, 1170140, 1638196, 2047745, 4095490, 8190980]

約数ペア:

[(1, 8190980), (2, 4095490), (4, 2047745), (5, 1638196), (7, 1170140), (10, 819098), (14, 585070), (20, 409549), (28, 292535), (35, 234028), (41, 199780), (70, 117014), (82, 99890), (140, 58507), (164, 49945), (205, 39956), (287, 28540), (410, 19978), (574, 14270), (820, 9989), (1148, 7135), (1427, 5740), (1435, 5708), (2854, 2870)]