25831360

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1013

約数の個数: 56

約数和(自身を含む): 62270640

約数和(自身を除く): 36439280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 907, 1424, 1780, 1814, 2848, 3560, 3628, 4535, 5696, 7120, 7256, 9070, 14240, 14512, 18140, 28480, 29024, 36280, 58048, 72560, 80723, 145120, 161446, 290240, 322892, 403615, 645784, 807230, 1291568, 1614460, 2583136, 3228920, 5166272, 6457840, 12915680, 25831360]

約数ペア:

[(1, 25831360), (2, 12915680), (4, 6457840), (5, 5166272), (8, 3228920), (10, 2583136), (16, 1614460), (20, 1291568), (32, 807230), (40, 645784), (64, 403615), (80, 322892), (89, 290240), (160, 161446), (178, 145120), (320, 80723), (356, 72560), (445, 58048), (712, 36280), (890, 29024), (907, 28480), (1424, 18140), (1780, 14512), (1814, 14240), (2848, 9070), (3560, 7256), (3628, 7120), (4535, 5696)]