13397480

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1091}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 30270240

約数和(自身を除く): 16872760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1091, 1228, 1535, 2182, 2456, 3070, 4364, 5455, 6140, 8728, 10910, 12280, 21820, 43640, 334937, 669874, 1339748, 1674685, 2679496, 3349370, 6698740, 13397480]

約数ペア:

[(1, 13397480), (2, 6698740), (4, 3349370), (5, 2679496), (8, 1674685), (10, 1339748), (20, 669874), (40, 334937), (307, 43640), (614, 21820), (1091, 12280), (1228, 10910), (1535, 8728), (2182, 6140), (2456, 5455), (3070, 4364)]