85213580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103919}}^1$

素因数の和:103969

約数の個数: 24

約数和(自身を含む): 183314880

約数和(自身を除く): 98101300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 103919, 207838, 415676, 519595, 1039190, 2078380, 4260679, 8521358, 17042716, 21303395, 42606790, 85213580]

約数ペア:

[(1, 85213580), (2, 42606790), (4, 21303395), (5, 17042716), (10, 8521358), (20, 4260679), (41, 2078380), (82, 1039190), (164, 519595), (205, 415676), (410, 207838), (820, 103919)]