78461440

素因数分解:

$2^9\times 5^1\times {\mathrm{30649}}^1$

素因数の和:30672

約数の個数: 40

約数和(自身を含む): 188129700

約数和(自身を除く): 109668260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30649, 61298, 122596, 153245, 245192, 306490, 490384, 612980, 980768, 1225960, 1961536, 2451920, 3923072, 4903840, 7846144, 9807680, 15692288, 19615360, 39230720, 78461440]

約数ペア:

[(1, 78461440), (2, 39230720), (4, 19615360), (5, 15692288), (8, 9807680), (10, 7846144), (16, 4903840), (20, 3923072), (32, 2451920), (40, 1961536), (64, 1225960), (80, 980768), (128, 612980), (160, 490384), (256, 306490), (320, 245192), (512, 153245), (640, 122596), (1280, 61298), (2560, 30649)]