13641920

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:585

約数の個数: 56

約数和(自身を含む): 32918400

約数和(自身を除く): 19276480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 479, 712, 890, 958, 1424, 1780, 1916, 2395, 2848, 3560, 3832, 4790, 5696, 7120, 7664, 9580, 14240, 15328, 19160, 28480, 30656, 38320, 42631, 76640, 85262, 153280, 170524, 213155, 341048, 426310, 682096, 852620, 1364192, 1705240, 2728384, 3410480, 6820960, 13641920]

約数ペア:

[(1, 13641920), (2, 6820960), (4, 3410480), (5, 2728384), (8, 1705240), (10, 1364192), (16, 852620), (20, 682096), (32, 426310), (40, 341048), (64, 213155), (80, 170524), (89, 153280), (160, 85262), (178, 76640), (320, 42631), (356, 38320), (445, 30656), (479, 28480), (712, 19160), (890, 15328), (958, 14240), (1424, 9580), (1780, 7664), (1916, 7120), (2395, 5696), (2848, 4790), (3560, 3832)]