25289456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2097

約数の個数: 40

約数和(自身を含む): 52861200

約数和(自身を除く): 27571744

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 2029, 3116, 4058, 6232, 8116, 12464, 16232, 32464, 38551, 77102, 83189, 154204, 166378, 308408, 332756, 616816, 665512, 1331024, 1580591, 3161182, 6322364, 12644728, 25289456]

約数ペア:

[(1, 25289456), (2, 12644728), (4, 6322364), (8, 3161182), (16, 1580591), (19, 1331024), (38, 665512), (41, 616816), (76, 332756), (82, 308408), (152, 166378), (164, 154204), (304, 83189), (328, 77102), (656, 38551), (779, 32464), (1558, 16232), (2029, 12464), (3116, 8116), (4058, 6232)]