80561920

素因数分解:

$2^8\times 5^1\times {\mathrm{62939}}^1$

素因数の和:62960

約数の個数: 36

約数和(自身を含む): 192974040

約数和(自身を除く): 112412120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 62939, 125878, 251756, 314695, 503512, 629390, 1007024, 1258780, 2014048, 2517560, 4028096, 5035120, 8056192, 10070240, 16112384, 20140480, 40280960, 80561920]

約数ペア:

[(1, 80561920), (2, 40280960), (4, 20140480), (5, 16112384), (8, 10070240), (10, 8056192), (16, 5035120), (20, 4028096), (32, 2517560), (40, 2014048), (64, 1258780), (80, 1007024), (128, 629390), (160, 503512), (256, 314695), (320, 251756), (640, 125878), (1280, 62939)]