25199824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1249}}^1$

素因数の和:1367

約数の個数: 40

約数和(自身を含む): 53165000

約数和(自身を除く): 27965176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1249, 1261, 1552, 2498, 2522, 4996, 5044, 9992, 10088, 16237, 19984, 20176, 32474, 64948, 121153, 129896, 242306, 259792, 484612, 969224, 1574989, 1938448, 3149978, 6299956, 12599912, 25199824]

約数ペア:

[(1, 25199824), (2, 12599912), (4, 6299956), (8, 3149978), (13, 1938448), (16, 1574989), (26, 969224), (52, 484612), (97, 259792), (104, 242306), (194, 129896), (208, 121153), (388, 64948), (776, 32474), (1249, 20176), (1261, 19984), (1552, 16237), (2498, 10088), (2522, 9992), (4996, 5044)]