3998320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 10124352

約数和(自身を除く): 6126032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 53, 80, 82, 92, 106, 115, 164, 184, 205, 212, 230, 265, 328, 368, 410, 424, 460, 530, 656, 820, 848, 920, 943, 1060, 1219, 1640, 1840, 1886, 2120, 2173, 2438, 3280, 3772, 4240, 4346, 4715, 4876, 6095, 7544, 8692, 9430, 9752, 10865, 12190, 15088, 17384, 18860, 19504, 21730, 24380, 34768, 37720, 43460, 48760, 49979, 75440, 86920, 97520, 99958, 173840, 199916, 249895, 399832, 499790, 799664, 999580, 1999160, 3998320]

約数ペア:

[(1, 3998320), (2, 1999160), (4, 999580), (5, 799664), (8, 499790), (10, 399832), (16, 249895), (20, 199916), (23, 173840), (40, 99958), (41, 97520), (46, 86920), (53, 75440), (80, 49979), (82, 48760), (92, 43460), (106, 37720), (115, 34768), (164, 24380), (184, 21730), (205, 19504), (212, 18860), (230, 17384), (265, 15088), (328, 12190), (368, 10865), (410, 9752), (424, 9430), (460, 8692), (530, 7544), (656, 6095), (820, 4876), (848, 4715), (920, 4346), (943, 4240), (1060, 3772), (1219, 3280), (1640, 2438), (1840, 2173), (1886, 2120)]