251018420

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{10313}}^1$

素因数の和:11539

約数の個数: 24

約数和(自身を含む): 527622984

約数和(自身を除く): 276604564

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 4868, 6085, 10313, 12170, 20626, 24340, 41252, 51565, 103130, 206260, 12550921, 25101842, 50203684, 62754605, 125509210, 251018420]

約数ペア:

[(1, 251018420), (2, 125509210), (4, 62754605), (5, 50203684), (10, 25101842), (20, 12550921), (1217, 206260), (2434, 103130), (4868, 51565), (6085, 41252), (10313, 24340), (12170, 20626)]