15914980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8941}}^1$

素因数の和:9039

約数の個数: 24

約数和(自身を含む): 33800760

約数和(自身を除く): 17885780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 8941, 17882, 35764, 44705, 89410, 178820, 795749, 1591498, 3182996, 3978745, 7957490, 15914980]

約数ペア:

[(1, 15914980), (2, 7957490), (4, 3978745), (5, 3182996), (10, 1591498), (20, 795749), (89, 178820), (178, 89410), (356, 44705), (445, 35764), (890, 17882), (1780, 8941)]