54831880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 128304000

約数和(自身を除く): 73472120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 449, 568, 710, 860, 898, 1420, 1720, 1796, 2245, 2840, 3053, 3592, 4490, 6106, 8980, 12212, 15265, 17960, 19307, 24424, 30530, 31879, 38614, 61060, 63758, 77228, 96535, 122120, 127516, 154456, 159395, 193070, 255032, 318790, 386140, 637580, 772280, 1275160, 1370797, 2741594, 5483188, 6853985, 10966376, 13707970, 27415940, 54831880]

約数ペア:

[(1, 54831880), (2, 27415940), (4, 13707970), (5, 10966376), (8, 6853985), (10, 5483188), (20, 2741594), (40, 1370797), (43, 1275160), (71, 772280), (86, 637580), (142, 386140), (172, 318790), (215, 255032), (284, 193070), (344, 159395), (355, 154456), (430, 127516), (449, 122120), (568, 96535), (710, 77228), (860, 63758), (898, 61060), (1420, 38614), (1720, 31879), (1796, 30530), (2245, 24424), (2840, 19307), (3053, 17960), (3592, 15265), (4490, 12212), (6106, 8980)]