71207680

素因数分解:

$2^8\times 5^1\times {\mathrm{55631}}^1$

素因数の和:55652

約数の個数: 36

約数和(自身を含む): 170567712

約数和(自身を除く): 99360032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 55631, 111262, 222524, 278155, 445048, 556310, 890096, 1112620, 1780192, 2225240, 3560384, 4450480, 7120768, 8900960, 14241536, 17801920, 35603840, 71207680]

約数ペア:

[(1, 71207680), (2, 35603840), (4, 17801920), (5, 14241536), (8, 8900960), (10, 7120768), (16, 4450480), (20, 3560384), (32, 2225240), (40, 1780192), (64, 1112620), (80, 890096), (128, 556310), (160, 445048), (256, 278155), (320, 222524), (640, 111262), (1280, 55631)]