15979940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34739}}^1$

素因数の和:34771

約数の個数: 24

約数和(自身を含む): 35017920

約数和(自身を除く): 19037980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 34739, 69478, 138956, 173695, 347390, 694780, 798997, 1597994, 3195988, 3994985, 7989970, 15979940]

約数ペア:

[(1, 15979940), (2, 7989970), (4, 3994985), (5, 3195988), (10, 1597994), (20, 798997), (23, 694780), (46, 347390), (92, 173695), (115, 138956), (230, 69478), (460, 34739)]