27811340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1447}}^1$

素因数の和:1518

約数の個数: 36

約数和(自身を含む): 60390288

約数和(自身を除く): 32578948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1447, 1922, 2894, 3844, 4805, 5788, 7235, 9610, 14470, 19220, 28940, 44857, 89714, 179428, 224285, 448570, 897140, 1390567, 2781134, 5562268, 6952835, 13905670, 27811340]

約数ペア:

[(1, 27811340), (2, 13905670), (4, 6952835), (5, 5562268), (10, 2781134), (20, 1390567), (31, 897140), (62, 448570), (124, 224285), (155, 179428), (310, 89714), (620, 44857), (961, 28940), (1447, 19220), (1922, 14470), (2894, 9610), (3844, 7235), (4805, 5788)]