2011406720

素因数分解:

$2^7\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4903}}^1$

素因数の和:5563

約数の個数: 64

約数和(自身を含む): 4817003040

約数和(自身を除く): 2805596320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 641, 1282, 2564, 3205, 4903, 5128, 6410, 9806, 10256, 12820, 19612, 20512, 24515, 25640, 39224, 41024, 49030, 51280, 78448, 82048, 98060, 102560, 156896, 196120, 205120, 313792, 392240, 410240, 627584, 784480, 1568960, 3137920, 3142823, 6285646, 12571292, 15714115, 25142584, 31428230, 50285168, 62856460, 100570336, 125712920, 201140672, 251425840, 402281344, 502851680, 1005703360, 2011406720]

約数ペア:

[(1, 2011406720), (2, 1005703360), (4, 502851680), (5, 402281344), (8, 251425840), (10, 201140672), (16, 125712920), (20, 100570336), (32, 62856460), (40, 50285168), (64, 31428230), (80, 25142584), (128, 15714115), (160, 12571292), (320, 6285646), (640, 3142823), (641, 3137920), (1282, 1568960), (2564, 784480), (3205, 627584), (4903, 410240), (5128, 392240), (6410, 313792), (9806, 205120), (10256, 196120), (12820, 156896), (19612, 102560), (20512, 98060), (24515, 82048), (25640, 78448), (39224, 51280), (41024, 49030)]