27420980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5689}}^1$

素因数の和:5939

約数の個数: 24

約数和(自身を含む): 57833160

約数和(自身を除く): 30412180

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 5689, 11378, 22756, 28445, 56890, 113780, 1371049, 2742098, 5484196, 6855245, 13710490, 27420980]

約数ペア:

[(1, 27420980), (2, 13710490), (4, 6855245), (5, 5484196), (10, 2742098), (20, 1371049), (241, 113780), (482, 56890), (964, 28445), (1205, 22756), (2410, 11378), (4820, 5689)]