25920028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1427}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 47980800

約数和(自身を除く): 22060772

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 1427, 2854, 4541, 5708, 9082, 18164, 27113, 54226, 108452, 341053, 682106, 1364212, 6480007, 12960014, 25920028]

約数ペア:

[(1, 25920028), (2, 12960014), (4, 6480007), (19, 1364212), (38, 682106), (76, 341053), (239, 108452), (478, 54226), (956, 27113), (1427, 18164), (2854, 9082), (4541, 5708)]