25518896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 53954880

約数和(自身を除く): 28435984

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 1553, 2054, 3106, 4108, 6212, 8216, 12424, 16432, 20189, 24848, 40378, 80756, 122687, 161512, 245374, 323024, 490748, 981496, 1594931, 1962992, 3189862, 6379724, 12759448, 25518896]

約数ペア:

[(1, 25518896), (2, 12759448), (4, 6379724), (8, 3189862), (13, 1962992), (16, 1594931), (26, 981496), (52, 490748), (79, 323024), (104, 245374), (158, 161512), (208, 122687), (316, 80756), (632, 40378), (1027, 24848), (1264, 20189), (1553, 16432), (2054, 12424), (3106, 8216), (4108, 6212)]