80494480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 220485888

約数和(自身を除く): 139991408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 41, 44, 46, 55, 80, 82, 88, 92, 97, 110, 115, 164, 176, 184, 194, 205, 220, 230, 253, 328, 368, 388, 410, 440, 451, 460, 485, 506, 656, 776, 820, 880, 902, 920, 943, 970, 1012, 1067, 1265, 1552, 1640, 1804, 1840, 1886, 1940, 2024, 2134, 2231, 2255, 2530, 3280, 3608, 3772, 3880, 3977, 4048, 4268, 4462, 4510, 4715, 5060, 5335, 7216, 7544, 7760, 7954, 8536, 8924, 9020, 9430, 10120, 10373, 10670, 11155, 15088, 15908, 17072, 17848, 18040, 18860, 19885, 20240, 20746, 21340, 22310, 24541, 31816, 35696, 36080, 37720, 39770, 41492, 42680, 43747, 44620, 49082, 51865, 63632, 75440, 79540, 82984, 85360, 87494, 89240, 91471, 98164, 103730, 122705, 159080, 165968, 174988, 178480, 182942, 196328, 207460, 218735, 245410, 318160, 349976, 365884, 392656, 414920, 437470, 457355, 490820, 699952, 731768, 829840, 874940, 914710, 981640, 1006181, 1463536, 1749880, 1829420, 1963280, 2012362, 3499760, 3658840, 4024724, 5030905, 7317680, 8049448, 10061810, 16098896, 20123620, 40247240, 80494480]

約数ペア:

[(1, 80494480), (2, 40247240), (4, 20123620), (5, 16098896), (8, 10061810), (10, 8049448), (11, 7317680), (16, 5030905), (20, 4024724), (22, 3658840), (23, 3499760), (40, 2012362), (41, 1963280), (44, 1829420), (46, 1749880), (55, 1463536), (80, 1006181), (82, 981640), (88, 914710), (92, 874940), (97, 829840), (110, 731768), (115, 699952), (164, 490820), (176, 457355), (184, 437470), (194, 414920), (205, 392656), (220, 365884), (230, 349976), (253, 318160), (328, 245410), (368, 218735), (388, 207460), (410, 196328), (440, 182942), (451, 178480), (460, 174988), (485, 165968), (506, 159080), (656, 122705), (776, 103730), (820, 98164), (880, 91471), (902, 89240), (920, 87494), (943, 85360), (970, 82984), (1012, 79540), (1067, 75440), (1265, 63632), (1552, 51865), (1640, 49082), (1804, 44620), (1840, 43747), (1886, 42680), (1940, 41492), (2024, 39770), (2134, 37720), (2231, 36080), (2255, 35696), (2530, 31816), (3280, 24541), (3608, 22310), (3772, 21340), (3880, 20746), (3977, 20240), (4048, 19885), (4268, 18860), (4462, 18040), (4510, 17848), (4715, 17072), (5060, 15908), (5335, 15088), (7216, 11155), (7544, 10670), (7760, 10373), (7954, 10120), (8536, 9430), (8924, 9020)]