81947648

素因数分解:

$2^{10}\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1112

約数の個数: 44

約数和(自身を含む): 166052640

約数和(自身を除く): 84104992

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1013, 1024, 1264, 2026, 2528, 4052, 5056, 8104, 10112, 16208, 20224, 32416, 40448, 64832, 80027, 80896, 129664, 160054, 259328, 320108, 518656, 640216, 1037312, 1280432, 2560864, 5121728, 10243456, 20486912, 40973824, 81947648]

約数ペア:

[(1, 81947648), (2, 40973824), (4, 20486912), (8, 10243456), (16, 5121728), (32, 2560864), (64, 1280432), (79, 1037312), (128, 640216), (158, 518656), (256, 320108), (316, 259328), (512, 160054), (632, 129664), (1013, 80896), (1024, 80027), (1264, 64832), (2026, 40448), (2528, 32416), (4052, 20224), (5056, 16208), (8104, 10112)]