28893520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 43101872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 328, 368, 383, 410, 460, 656, 766, 820, 920, 943, 1532, 1640, 1840, 1886, 1915, 3064, 3280, 3772, 3830, 4715, 6128, 7544, 7660, 8809, 9430, 15088, 15320, 15703, 17618, 18860, 30640, 31406, 35236, 37720, 44045, 62812, 70472, 75440, 78515, 88090, 125624, 140944, 157030, 176180, 251248, 314060, 352360, 361169, 628120, 704720, 722338, 1256240, 1444676, 1805845, 2889352, 3611690, 5778704, 7223380, 14446760, 28893520]

約数ペア:

[(1, 28893520), (2, 14446760), (4, 7223380), (5, 5778704), (8, 3611690), (10, 2889352), (16, 1805845), (20, 1444676), (23, 1256240), (40, 722338), (41, 704720), (46, 628120), (80, 361169), (82, 352360), (92, 314060), (115, 251248), (164, 176180), (184, 157030), (205, 140944), (230, 125624), (328, 88090), (368, 78515), (383, 75440), (410, 70472), (460, 62812), (656, 44045), (766, 37720), (820, 35236), (920, 31406), (943, 30640), (1532, 18860), (1640, 17618), (1840, 15703), (1886, 15320), (1915, 15088), (3064, 9430), (3280, 8809), (3772, 7660), (3830, 7544), (4715, 6128)]