65841920

素因数分解:

$2^8\times 5^1\times {\mathrm{51439}}^1$

素因数の和:51460

約数の個数: 36

約数和(自身を含む): 157715040

約数和(自身を除く): 91873120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 51439, 102878, 205756, 257195, 411512, 514390, 823024, 1028780, 1646048, 2057560, 3292096, 4115120, 6584192, 8230240, 13168384, 16460480, 32920960, 65841920]

約数ペア:

[(1, 65841920), (2, 32920960), (4, 16460480), (5, 13168384), (8, 8230240), (10, 6584192), (16, 4115120), (20, 3292096), (32, 2057560), (40, 1646048), (64, 1028780), (80, 823024), (128, 514390), (160, 411512), (256, 257195), (320, 205756), (640, 102878), (1280, 51439)]