26565680

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2389}}^1$

素因数の和:2541

約数の個数: 40

約数和(自身を含む): 62235600

約数和(自身を除く): 35669920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2389, 2780, 4778, 5560, 9556, 11120, 11945, 19112, 23890, 38224, 47780, 95560, 191120, 332071, 664142, 1328284, 1660355, 2656568, 3320710, 5313136, 6641420, 13282840, 26565680]

約数ペア:

[(1, 26565680), (2, 13282840), (4, 6641420), (5, 5313136), (8, 3320710), (10, 2656568), (16, 1660355), (20, 1328284), (40, 664142), (80, 332071), (139, 191120), (278, 95560), (556, 47780), (695, 38224), (1112, 23890), (1390, 19112), (2224, 11945), (2389, 11120), (2780, 9556), (4778, 5560)]