131374160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71399}}^1$

素因数の和:71435

約数の個数: 40

約数和(自身を含む): 318729600

約数和(自身を除く): 187355440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 71399, 142798, 285596, 356995, 571192, 713990, 1142384, 1427980, 1642177, 2855960, 3284354, 5711920, 6568708, 8210885, 13137416, 16421770, 26274832, 32843540, 65687080, 131374160]

約数ペア:

[(1, 131374160), (2, 65687080), (4, 32843540), (5, 26274832), (8, 16421770), (10, 13137416), (16, 8210885), (20, 6568708), (23, 5711920), (40, 3284354), (46, 2855960), (80, 1642177), (92, 1427980), (115, 1142384), (184, 713990), (230, 571192), (368, 356995), (460, 285596), (920, 142798), (1840, 71399)]