78415360

素因数分解:

$2^9\times 5^1\times {\mathrm{30631}}^1$

素因数の和:30654

約数の個数: 40

約数和(自身を含む): 188019216

約数和(自身を除く): 109603856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30631, 61262, 122524, 153155, 245048, 306310, 490096, 612620, 980192, 1225240, 1960384, 2450480, 3920768, 4900960, 7841536, 9801920, 15683072, 19603840, 39207680, 78415360]

約数ペア:

[(1, 78415360), (2, 39207680), (4, 19603840), (5, 15683072), (8, 9801920), (10, 7841536), (16, 4900960), (20, 3920768), (32, 2450480), (40, 1960384), (64, 1225240), (80, 980192), (128, 612620), (160, 490096), (256, 306310), (320, 245048), (512, 153155), (640, 122524), (1280, 61262), (2560, 30631)]