328563280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{178567}}^1$

素因数の和:178603

約数の個数: 40

約数和(自身を含む): 797127552

約数和(自身を除く): 468564272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 178567, 357134, 714268, 892835, 1428536, 1785670, 2857072, 3571340, 4107041, 7142680, 8214082, 14285360, 16428164, 20535205, 32856328, 41070410, 65712656, 82140820, 164281640, 328563280]

約数ペア:

[(1, 328563280), (2, 164281640), (4, 82140820), (5, 65712656), (8, 41070410), (10, 32856328), (16, 20535205), (20, 16428164), (23, 14285360), (40, 8214082), (46, 7142680), (80, 4107041), (92, 3571340), (115, 2857072), (184, 1785670), (230, 1428536), (368, 892835), (460, 714268), (920, 357134), (1840, 178567)]