2788898080

素因数分解:

$2^5\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{10753}}^1$

素因数の和:12389

約数の個数: 48

約数和(自身を含む): 6593449464

約数和(自身を除く): 3804551384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1621, 3242, 6484, 8105, 10753, 12968, 16210, 21506, 25936, 32420, 43012, 51872, 53765, 64840, 86024, 107530, 129680, 172048, 215060, 259360, 344096, 430120, 860240, 1720480, 17430613, 34861226, 69722452, 87153065, 139444904, 174306130, 278889808, 348612260, 557779616, 697224520, 1394449040, 2788898080]

約数ペア:

[(1, 2788898080), (2, 1394449040), (4, 697224520), (5, 557779616), (8, 348612260), (10, 278889808), (16, 174306130), (20, 139444904), (32, 87153065), (40, 69722452), (80, 34861226), (160, 17430613), (1621, 1720480), (3242, 860240), (6484, 430120), (8105, 344096), (10753, 259360), (12968, 215060), (16210, 172048), (21506, 129680), (25936, 107530), (32420, 86024), (43012, 64840), (51872, 53765)]