320637025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{647}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 408348864

約数和(自身を除く): 87711839

約数列:

[1, 5, 25, 43, 215, 461, 647, 1075, 2305, 3235, 11525, 16175, 19823, 27821, 99115, 139105, 298267, 495575, 695525, 1491335, 7456675, 12825481, 64127405, 320637025]

約数ペア:

[(1, 320637025), (5, 64127405), (25, 12825481), (43, 7456675), (215, 1491335), (461, 695525), (647, 495575), (1075, 298267), (2305, 139105), (3235, 99115), (11525, 27821), (16175, 19823)]