19615360

素因数分解:

$2^7\times 5^1\times {\mathrm{30649}}^1$

素因数の和:30668

約数の個数: 32

約数和(自身を含む): 46894500

約数和(自身を除く): 27279140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30649, 61298, 122596, 153245, 245192, 306490, 490384, 612980, 980768, 1225960, 1961536, 2451920, 3923072, 4903840, 9807680, 19615360]

約数ペア:

[(1, 19615360), (2, 9807680), (4, 4903840), (5, 3923072), (8, 2451920), (10, 1961536), (16, 1225960), (20, 980768), (32, 612980), (40, 490384), (64, 306490), (80, 245192), (128, 153245), (160, 122596), (320, 61298), (640, 30649)]