4487380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2521}}^1$

素因数の和:2619

約数の個数: 24

約数和(自身を含む): 9533160

約数和(自身を除く): 5045780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2521, 5042, 10084, 12605, 25210, 50420, 224369, 448738, 897476, 1121845, 2243690, 4487380]

約数ペア:

[(1, 4487380), (2, 2243690), (4, 1121845), (5, 897476), (10, 448738), (20, 224369), (89, 50420), (178, 25210), (356, 12605), (445, 10084), (890, 5042), (1780, 2521)]