73990520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26053}}^1$

素因数の和:26135

約数の個数: 32

約数和(自身を含む): 168829920

約数和(自身を除く): 94839400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 26053, 52106, 104212, 130265, 208424, 260530, 521060, 1042120, 1849763, 3699526, 7399052, 9248815, 14798104, 18497630, 36995260, 73990520]

約数ペア:

[(1, 73990520), (2, 36995260), (4, 18497630), (5, 14798104), (8, 9248815), (10, 7399052), (20, 3699526), (40, 1849763), (71, 1042120), (142, 521060), (284, 260530), (355, 208424), (568, 130265), (710, 104212), (1420, 52106), (2840, 26053)]