12937480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 31752000

約数和(自身を除く): 18814520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 587, 760, 1102, 1160, 1174, 2204, 2348, 2755, 2935, 4408, 4696, 5510, 5870, 11020, 11153, 11740, 17023, 22040, 22306, 23480, 34046, 44612, 55765, 68092, 85115, 89224, 111530, 136184, 170230, 223060, 323437, 340460, 446120, 646874, 680920, 1293748, 1617185, 2587496, 3234370, 6468740, 12937480]

約数ペア:

[(1, 12937480), (2, 6468740), (4, 3234370), (5, 2587496), (8, 1617185), (10, 1293748), (19, 680920), (20, 646874), (29, 446120), (38, 340460), (40, 323437), (58, 223060), (76, 170230), (95, 136184), (116, 111530), (145, 89224), (152, 85115), (190, 68092), (232, 55765), (290, 44612), (380, 34046), (551, 23480), (580, 22306), (587, 22040), (760, 17023), (1102, 11740), (1160, 11153), (1174, 11020), (2204, 5870), (2348, 5510), (2755, 4696), (2935, 4408)]