79678240

素因数分解:

$2^5\times 5^1\times {\mathrm{497989}}^1$

素因数の和:498004

約数の個数: 24

約数和(自身を含む): 188240220

約数和(自身を除く): 108561980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 497989, 995978, 1991956, 2489945, 3983912, 4979890, 7967824, 9959780, 15935648, 19919560, 39839120, 79678240]

約数ペア:

[(1, 79678240), (2, 39839120), (4, 19919560), (5, 15935648), (8, 9959780), (10, 7967824), (16, 4979890), (20, 3983912), (32, 2489945), (40, 1991956), (80, 995978), (160, 497989)]