25109552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2061

約数の個数: 40

約数和(自身を含む): 53277840

約数和(自身を除く): 28168288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 1979, 3172, 3958, 6344, 7916, 12688, 15832, 25727, 31664, 51454, 102908, 120719, 205816, 241438, 411632, 482876, 965752, 1569347, 1931504, 3138694, 6277388, 12554776, 25109552]

約数ペア:

[(1, 25109552), (2, 12554776), (4, 6277388), (8, 3138694), (13, 1931504), (16, 1569347), (26, 965752), (52, 482876), (61, 411632), (104, 241438), (122, 205816), (208, 120719), (244, 102908), (488, 51454), (793, 31664), (976, 25727), (1586, 15832), (1979, 12688), (3172, 7916), (3958, 6344)]