61587280

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1201}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 143533224

約数和(自身を除く): 81945944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1201, 1282, 2402, 2564, 3205, 4804, 5128, 6005, 6410, 9608, 10256, 12010, 12820, 19216, 24020, 25640, 48040, 51280, 96080, 769841, 1539682, 3079364, 3849205, 6158728, 7698410, 12317456, 15396820, 30793640, 61587280]

約数ペア:

[(1, 61587280), (2, 30793640), (4, 15396820), (5, 12317456), (8, 7698410), (10, 6158728), (16, 3849205), (20, 3079364), (40, 1539682), (80, 769841), (641, 96080), (1201, 51280), (1282, 48040), (2402, 25640), (2564, 24020), (3205, 19216), (4804, 12820), (5128, 12010), (6005, 10256), (6410, 9608)]