25613680

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{907}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 59786352

約数和(自身を除く): 34172672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 907, 1412, 1765, 1814, 2824, 3530, 3628, 4535, 5648, 7060, 7256, 9070, 14120, 14512, 18140, 28240, 36280, 72560, 320171, 640342, 1280684, 1600855, 2561368, 3201710, 5122736, 6403420, 12806840, 25613680]

約数ペア:

[(1, 25613680), (2, 12806840), (4, 6403420), (5, 5122736), (8, 3201710), (10, 2561368), (16, 1600855), (20, 1280684), (40, 640342), (80, 320171), (353, 72560), (706, 36280), (907, 28240), (1412, 18140), (1765, 14512), (1814, 14120), (2824, 9070), (3530, 7256), (3628, 7060), (4535, 5648)]