8637880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 20865600

約数和(自身を除く): 12227720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 229, 230, 328, 410, 458, 460, 820, 916, 920, 943, 1145, 1640, 1832, 1886, 2290, 3772, 4580, 4715, 5267, 7544, 9160, 9389, 9430, 10534, 18778, 18860, 21068, 26335, 37556, 37720, 42136, 46945, 52670, 75112, 93890, 105340, 187780, 210680, 215947, 375560, 431894, 863788, 1079735, 1727576, 2159470, 4318940, 8637880]

約数ペア:

[(1, 8637880), (2, 4318940), (4, 2159470), (5, 1727576), (8, 1079735), (10, 863788), (20, 431894), (23, 375560), (40, 215947), (41, 210680), (46, 187780), (82, 105340), (92, 93890), (115, 75112), (164, 52670), (184, 46945), (205, 42136), (229, 37720), (230, 37556), (328, 26335), (410, 21068), (458, 18860), (460, 18778), (820, 10534), (916, 9430), (920, 9389), (943, 9160), (1145, 7544), (1640, 5267), (1832, 4715), (1886, 4580), (2290, 3772)]