208448080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113287}}^1$

素因数の和:113323

約数の個数: 40

約数和(自身を含む): 505717632

約数和(自身を除く): 297269552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 113287, 226574, 453148, 566435, 906296, 1132870, 1812592, 2265740, 2605601, 4531480, 5211202, 9062960, 10422404, 13028005, 20844808, 26056010, 41689616, 52112020, 104224040, 208448080]

約数ペア:

[(1, 208448080), (2, 104224040), (4, 52112020), (5, 41689616), (8, 26056010), (10, 20844808), (16, 13028005), (20, 10422404), (23, 9062960), (40, 5211202), (46, 4531480), (80, 2605601), (92, 2265740), (115, 1812592), (184, 1132870), (230, 906296), (368, 566435), (460, 453148), (920, 226574), (1840, 113287)]