12275020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 27699840

約数和(自身を除く): 15424820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 457, 790, 914, 1343, 1580, 1828, 2285, 2686, 4570, 5372, 6715, 7769, 9140, 13430, 15538, 26860, 31076, 36103, 38845, 72206, 77690, 144412, 155380, 180515, 361030, 613751, 722060, 1227502, 2455004, 3068755, 6137510, 12275020]

約数ペア:

[(1, 12275020), (2, 6137510), (4, 3068755), (5, 2455004), (10, 1227502), (17, 722060), (20, 613751), (34, 361030), (68, 180515), (79, 155380), (85, 144412), (158, 77690), (170, 72206), (316, 38845), (340, 36103), (395, 31076), (457, 26860), (790, 15538), (914, 13430), (1343, 9140), (1580, 7769), (1828, 6715), (2285, 5372), (2686, 4570)]