40781372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12479}}^1$

素因数の和:12545

約数の個数: 24

約数和(自身を含む): 76876800

約数和(自身を除く): 36095428

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 12479, 24958, 49916, 237101, 474202, 536597, 948404, 1073194, 2146388, 10195343, 20390686, 40781372]

約数ペア:

[(1, 40781372), (2, 20390686), (4, 10195343), (19, 2146388), (38, 1073194), (43, 948404), (76, 536597), (86, 474202), (172, 237101), (817, 49916), (1634, 24958), (3268, 12479)]