25661580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61099}}^1$

素因数の和:61118

約数の個数: 48

約数和(自身を含む): 82118400

約数和(自身を除く): 56456820

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, 61099, 122198, 183297, 244396, 305495, 366594, 427693, 610990, 733188, 855386, 916485, 1221980, 1283079, 1710772, 1832970, 2138465, 2566158, 3665940, 4276930, 5132316, 6415395, 8553860, 12830790, 25661580]

約数ペア:

[(1, 25661580), (2, 12830790), (3, 8553860), (4, 6415395), (5, 5132316), (6, 4276930), (7, 3665940), (10, 2566158), (12, 2138465), (14, 1832970), (15, 1710772), (20, 1283079), (21, 1221980), (28, 916485), (30, 855386), (35, 733188), (42, 610990), (60, 427693), (70, 366594), (84, 305495), (105, 244396), (140, 183297), (210, 122198), (420, 61099)]