25459140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60617}}^1$

素因数の和:60636

約数の個数: 48

約数和(自身を含む): 81470592

約数和(自身を除く): 56011452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 60617, 121234, 181851, 242468, 303085, 363702, 424319, 606170, 727404, 848638, 909255, 1212340, 1272957, 1697276, 1818510, 2121595, 2545914, 3637020, 4243190, 5091828, 6364785, 8486380, 12729570, 25459140]

約数ペア:

[(1, 25459140), (2, 12729570), (3, 8486380), (4, 6364785), (5, 5091828), (6, 4243190), (7, 3637020), (10, 2545914), (12, 2121595), (14, 1818510), (15, 1697276), (20, 1272957), (21, 1212340), (28, 909255), (30, 848638), (35, 727404), (42, 606170), (60, 424319), (70, 363702), (84, 303085), (105, 242468), (140, 181851), (210, 121234), (420, 60617)]