204197680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{110977}}^1$

素因数の和:111013

約数の個数: 40

約数和(自身を含む): 495405792

約数和(自身を除く): 291208112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 110977, 221954, 443908, 554885, 887816, 1109770, 1775632, 2219540, 2552471, 4439080, 5104942, 8878160, 10209884, 12762355, 20419768, 25524710, 40839536, 51049420, 102098840, 204197680]

約数ペア:

[(1, 204197680), (2, 102098840), (4, 51049420), (5, 40839536), (8, 25524710), (10, 20419768), (16, 12762355), (20, 10209884), (23, 8878160), (40, 5104942), (46, 4439080), (80, 2552471), (92, 2219540), (115, 1775632), (184, 1109770), (230, 887816), (368, 554885), (460, 443908), (920, 221954), (1840, 110977)]