171995920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25903}}^1$

素因数の和:25999

約数の個数: 40

約数和(自身を含む): 404724096

約数和(自身を除く): 232728176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 25903, 51806, 103612, 129515, 207224, 259030, 414448, 518060, 1036120, 2072240, 2149949, 4299898, 8599796, 10749745, 17199592, 21499490, 34399184, 42998980, 85997960, 171995920]

約数ペア:

[(1, 171995920), (2, 85997960), (4, 42998980), (5, 34399184), (8, 21499490), (10, 17199592), (16, 10749745), (20, 8599796), (40, 4299898), (80, 2149949), (83, 2072240), (166, 1036120), (332, 518060), (415, 414448), (664, 259030), (830, 207224), (1328, 129515), (1660, 103612), (3320, 51806), (6640, 25903)]