25399780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{433}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 35846300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 433, 838, 866, 1676, 1732, 2095, 2165, 2933, 3031, 4190, 4330, 5866, 6062, 8380, 8660, 11732, 12124, 14665, 15155, 29330, 30310, 58660, 60620, 181427, 362854, 725708, 907135, 1269989, 1814270, 2539978, 3628540, 5079956, 6349945, 12699890, 25399780]

約数ペア:

[(1, 25399780), (2, 12699890), (4, 6349945), (5, 5079956), (7, 3628540), (10, 2539978), (14, 1814270), (20, 1269989), (28, 907135), (35, 725708), (70, 362854), (140, 181427), (419, 60620), (433, 58660), (838, 30310), (866, 29330), (1676, 15155), (1732, 14665), (2095, 12124), (2165, 11732), (2933, 8660), (3031, 8380), (4190, 6062), (4330, 5866)]