724359220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2785997}}^1$

素因数の和:2786019

約数の個数: 24

約数和(自身を含む): 1638166824

約数和(自身を除く): 913807604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2785997, 5571994, 11143988, 13929985, 27859970, 36217961, 55719940, 72435922, 144871844, 181089805, 362179610, 724359220]

約数ペア:

[(1, 724359220), (2, 362179610), (4, 181089805), (5, 144871844), (10, 72435922), (13, 55719940), (20, 36217961), (26, 27859970), (52, 13929985), (65, 11143988), (130, 5571994), (260, 2785997)]