12281560

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{641}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 27734400

約数和(自身を除く): 15452840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 641, 958, 1282, 1916, 2395, 2564, 3205, 3832, 4790, 5128, 6410, 9580, 12820, 19160, 25640, 307039, 614078, 1228156, 1535195, 2456312, 3070390, 6140780, 12281560]

約数ペア:

[(1, 12281560), (2, 6140780), (4, 3070390), (5, 2456312), (8, 1535195), (10, 1228156), (20, 614078), (40, 307039), (479, 25640), (641, 19160), (958, 12820), (1282, 9580), (1916, 6410), (2395, 5128), (2564, 4790), (3205, 3832)]