25515568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2093

約数の個数: 40

約数和(自身を含む): 54138896

約数和(自身を除く): 28623328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2011, 3172, 4022, 6344, 8044, 12688, 16088, 26143, 32176, 52286, 104572, 122671, 209144, 245342, 418288, 490684, 981368, 1594723, 1962736, 3189446, 6378892, 12757784, 25515568]

約数ペア:

[(1, 25515568), (2, 12757784), (4, 6378892), (8, 3189446), (13, 1962736), (16, 1594723), (26, 981368), (52, 490684), (61, 418288), (104, 245342), (122, 209144), (208, 122671), (244, 104572), (488, 52286), (793, 32176), (976, 26143), (1586, 16088), (2011, 12688), (3172, 8044), (4022, 6344)]