90342820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{57179}}^1$

素因数の和:57267

約数の個数: 24

約数和(自身を含む): 192124800

約数和(自身を除く): 101781980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 57179, 114358, 228716, 285895, 571790, 1143580, 4517141, 9034282, 18068564, 22585705, 45171410, 90342820]

約数ペア:

[(1, 90342820), (2, 45171410), (4, 22585705), (5, 18068564), (10, 9034282), (20, 4517141), (79, 1143580), (158, 571790), (316, 285895), (395, 228716), (790, 114358), (1580, 57179)]