1999160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 4898880

約数和(自身を除く): 2899720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 53, 82, 92, 106, 115, 164, 184, 205, 212, 230, 265, 328, 410, 424, 460, 530, 820, 920, 943, 1060, 1219, 1640, 1886, 2120, 2173, 2438, 3772, 4346, 4715, 4876, 6095, 7544, 8692, 9430, 9752, 10865, 12190, 17384, 18860, 21730, 24380, 37720, 43460, 48760, 49979, 86920, 99958, 199916, 249895, 399832, 499790, 999580, 1999160]

約数ペア:

[(1, 1999160), (2, 999580), (4, 499790), (5, 399832), (8, 249895), (10, 199916), (20, 99958), (23, 86920), (40, 49979), (41, 48760), (46, 43460), (53, 37720), (82, 24380), (92, 21730), (106, 18860), (115, 17384), (164, 12190), (184, 10865), (205, 9752), (212, 9430), (230, 8692), (265, 7544), (328, 6095), (410, 4876), (424, 4715), (460, 4346), (530, 3772), (820, 2438), (920, 2173), (943, 2120), (1060, 1886), (1219, 1640)]