79841920

素因数分解:

$2^7\times 5^1\times {\mathrm{124753}}^1$

素因数の和:124772

約数の個数: 32

約数和(自身を含む): 190873620

約数和(自身を除く): 111031700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 124753, 249506, 499012, 623765, 998024, 1247530, 1996048, 2495060, 3992096, 4990120, 7984192, 9980240, 15968384, 19960480, 39920960, 79841920]

約数ペア:

[(1, 79841920), (2, 39920960), (4, 19960480), (5, 15968384), (8, 9980240), (10, 7984192), (16, 4990120), (20, 3992096), (32, 2495060), (40, 1996048), (64, 1247530), (80, 998024), (128, 623765), (160, 499012), (320, 249506), (640, 124753)]