80972800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{3163}}^1$

素因数の和:3193

約数の個数: 66

約数和(自身を含む): 200777948

約数和(自身を除く): 119805148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3163, 3200, 5120, 6326, 6400, 12652, 12800, 15815, 25304, 25600, 31630, 50608, 63260, 79075, 101216, 126520, 158150, 202432, 253040, 316300, 404864, 506080, 632600, 809728, 1012160, 1265200, 1619456, 2024320, 2530400, 3238912, 4048640, 5060800, 8097280, 10121600, 16194560, 20243200, 40486400, 80972800]

約数ペア:

[(1, 80972800), (2, 40486400), (4, 20243200), (5, 16194560), (8, 10121600), (10, 8097280), (16, 5060800), (20, 4048640), (25, 3238912), (32, 2530400), (40, 2024320), (50, 1619456), (64, 1265200), (80, 1012160), (100, 809728), (128, 632600), (160, 506080), (200, 404864), (256, 316300), (320, 253040), (400, 202432), (512, 158150), (640, 126520), (800, 101216), (1024, 79075), (1280, 63260), (1600, 50608), (2560, 31630), (3163, 25600), (3200, 25304), (5120, 15815), (6326, 12800), (6400, 12652)]