25202008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7817}}^1$

素因数の和:7867

約数の個数: 32

約数和(自身を含む): 52536960

約数和(自身を除く): 27334952

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 7817, 15634, 31268, 62536, 101621, 203242, 242327, 406484, 484654, 812968, 969308, 1938616, 3150251, 6300502, 12601004, 25202008]

約数ペア:

[(1, 25202008), (2, 12601004), (4, 6300502), (8, 3150251), (13, 1938616), (26, 969308), (31, 812968), (52, 484654), (62, 406484), (104, 242327), (124, 203242), (248, 101621), (403, 62536), (806, 31268), (1612, 15634), (3224, 7817)]