79828025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4099}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 106764000

約数和(自身を除く): 26935975

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3895, 4099, 19475, 20495, 77881, 102475, 168059, 389405, 840295, 1947025, 3193121, 4201475, 15965605, 79828025]

約数ペア:

[(1, 79828025), (5, 15965605), (19, 4201475), (25, 3193121), (41, 1947025), (95, 840295), (205, 389405), (475, 168059), (779, 102475), (1025, 77881), (3895, 20495), (4099, 19475)]