12318620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 27246240

約数和(自身を除く): 14927620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 317, 335, 580, 634, 670, 1268, 1340, 1585, 1943, 3170, 3886, 6340, 7772, 9193, 9715, 18386, 19430, 21239, 36772, 38860, 42478, 45965, 84956, 91930, 106195, 183860, 212390, 424780, 615931, 1231862, 2463724, 3079655, 6159310, 12318620]

約数ペア:

[(1, 12318620), (2, 6159310), (4, 3079655), (5, 2463724), (10, 1231862), (20, 615931), (29, 424780), (58, 212390), (67, 183860), (116, 106195), (134, 91930), (145, 84956), (268, 45965), (290, 42478), (317, 38860), (335, 36772), (580, 21239), (634, 19430), (670, 18386), (1268, 9715), (1340, 9193), (1585, 7772), (1943, 6340), (3170, 3886)]