7420790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4391}}^1$

素因数の和:4424

約数の個数: 24

約数和(自身を含む): 14467248

約数和(自身を除く): 7046458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 4391, 8782, 21955, 43910, 57083, 114166, 285415, 570830, 742079, 1484158, 3710395, 7420790]

約数ペア:

[(1, 7420790), (2, 3710395), (5, 1484158), (10, 742079), (13, 570830), (26, 285415), (65, 114166), (130, 57083), (169, 43910), (338, 21955), (845, 8782), (1690, 4391)]