165997925

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{79999}}^1$

素因数の和:80092

約数の個数: 12

約数和(自身を含む): 208320000

約数和(自身を除く): 42322075

約数列:

[1, 5, 25, 83, 415, 2075, 79999, 399995, 1999975, 6639917, 33199585, 165997925]

約数ペア:

[(1, 165997925), (5, 33199585), (25, 6639917), (83, 1999975), (415, 399995), (2075, 79999)]