8740280

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{619}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 19753200

約数和(自身を除く): 11012920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 619, 706, 1238, 1412, 1765, 2476, 2824, 3095, 3530, 4952, 6190, 7060, 12380, 14120, 24760, 218507, 437014, 874028, 1092535, 1748056, 2185070, 4370140, 8740280]

約数ペア:

[(1, 8740280), (2, 4370140), (4, 2185070), (5, 1748056), (8, 1092535), (10, 874028), (20, 437014), (40, 218507), (353, 24760), (619, 14120), (706, 12380), (1238, 7060), (1412, 6190), (1765, 4952), (2476, 3530), (2824, 3095)]