12559340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 27869184

約数和(自身を除く): 15309844

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 431, 470, 620, 862, 940, 1457, 1724, 2155, 2914, 4310, 5828, 7285, 8620, 13361, 14570, 20257, 26722, 29140, 40514, 53444, 66805, 81028, 101285, 133610, 202570, 267220, 405140, 627967, 1255934, 2511868, 3139835, 6279670, 12559340]

約数ペア:

[(1, 12559340), (2, 6279670), (4, 3139835), (5, 2511868), (10, 1255934), (20, 627967), (31, 405140), (47, 267220), (62, 202570), (94, 133610), (124, 101285), (155, 81028), (188, 66805), (235, 53444), (310, 40514), (431, 29140), (470, 26722), (620, 20257), (862, 14570), (940, 13361), (1457, 8620), (1724, 7285), (2155, 5828), (2914, 4310)]