204628240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111211}}^1$

素因数の和:111247

約数の個数: 40

約数和(自身を含む): 496450368

約数和(自身を除く): 291822128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 111211, 222422, 444844, 556055, 889688, 1112110, 1779376, 2224220, 2557853, 4448440, 5115706, 8896880, 10231412, 12789265, 20462824, 25578530, 40925648, 51157060, 102314120, 204628240]

約数ペア:

[(1, 204628240), (2, 102314120), (4, 51157060), (5, 40925648), (8, 25578530), (10, 20462824), (16, 12789265), (20, 10231412), (23, 8896880), (40, 5115706), (46, 4448440), (80, 2557853), (92, 2224220), (115, 1779376), (184, 1112110), (230, 889688), (368, 556055), (460, 444844), (920, 222422), (1840, 111211)]