15691228120

素因数分解:

$2^3\times 5^1\times {\mathrm{392280703}}^1$

素因数の和:392280714

約数の個数: 16

約数和(自身を含む): 35305263360

約数和(自身を除く): 19614035240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 392280703, 784561406, 1569122812, 1961403515, 3138245624, 3922807030, 7845614060, 15691228120]

約数ペア:

[(1, 15691228120), (2, 7845614060), (4, 3922807030), (5, 3138245624), (8, 1961403515), (10, 1569122812), (20, 784561406), (40, 392280703)]