11451920

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 26777304

約数和(自身を除く): 15325384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 557, 1028, 1114, 1285, 2056, 2228, 2570, 2785, 4112, 4456, 5140, 5570, 8912, 10280, 11140, 20560, 22280, 44560, 143149, 286298, 572596, 715745, 1145192, 1431490, 2290384, 2862980, 5725960, 11451920]

約数ペア:

[(1, 11451920), (2, 5725960), (4, 2862980), (5, 2290384), (8, 1431490), (10, 1145192), (16, 715745), (20, 572596), (40, 286298), (80, 143149), (257, 44560), (514, 22280), (557, 20560), (1028, 11140), (1114, 10280), (1285, 8912), (2056, 5570), (2228, 5140), (2570, 4456), (2785, 4112)]