7996640

素因数分解:

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

素因数の和:132

約数の個数: 96

約数和(自身を含む): 20575296

約数和(自身を除く): 12578656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 53, 80, 82, 92, 106, 115, 160, 164, 184, 205, 212, 230, 265, 328, 368, 410, 424, 460, 530, 656, 736, 820, 848, 920, 943, 1060, 1219, 1312, 1640, 1696, 1840, 1886, 2120, 2173, 2438, 3280, 3680, 3772, 4240, 4346, 4715, 4876, 6095, 6560, 7544, 8480, 8692, 9430, 9752, 10865, 12190, 15088, 17384, 18860, 19504, 21730, 24380, 30176, 34768, 37720, 39008, 43460, 48760, 49979, 69536, 75440, 86920, 97520, 99958, 150880, 173840, 195040, 199916, 249895, 347680, 399832, 499790, 799664, 999580, 1599328, 1999160, 3998320, 7996640]

約数ペア:

[(1, 7996640), (2, 3998320), (4, 1999160), (5, 1599328), (8, 999580), (10, 799664), (16, 499790), (20, 399832), (23, 347680), (32, 249895), (40, 199916), (41, 195040), (46, 173840), (53, 150880), (80, 99958), (82, 97520), (92, 86920), (106, 75440), (115, 69536), (160, 49979), (164, 48760), (184, 43460), (205, 39008), (212, 37720), (230, 34768), (265, 30176), (328, 24380), (368, 21730), (410, 19504), (424, 18860), (460, 17384), (530, 15088), (656, 12190), (736, 10865), (820, 9752), (848, 9430), (920, 8692), (943, 8480), (1060, 7544), (1219, 6560), (1312, 6095), (1640, 4876), (1696, 4715), (1840, 4346), (1886, 4240), (2120, 3772), (2173, 3680), (2438, 3280)]