102125780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 223297536

約数和(自身を除く): 121171756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 1297, 2540, 2594, 3937, 5188, 6485, 7874, 12970, 15748, 19685, 25940, 39370, 40207, 78740, 80414, 160828, 164719, 201035, 329438, 402070, 658876, 804140, 823595, 1647190, 3294380, 5106289, 10212578, 20425156, 25531445, 51062890, 102125780]

約数ペア:

[(1, 102125780), (2, 51062890), (4, 25531445), (5, 20425156), (10, 10212578), (20, 5106289), (31, 3294380), (62, 1647190), (124, 823595), (127, 804140), (155, 658876), (254, 402070), (310, 329438), (508, 201035), (620, 164719), (635, 160828), (1270, 80414), (1297, 78740), (2540, 40207), (2594, 39370), (3937, 25940), (5188, 19685), (6485, 15748), (7874, 12970)]