1388360800

素因数分解:

$2^5\times 5^2\times {\mathrm{521}}^1\times {\mathrm{3331}}^1$

素因数の和:3872

約数の個数: 72

約数和(自身を含む): 3396860712

約数和(自身を除く): 2008499912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 521, 800, 1042, 2084, 2605, 3331, 4168, 5210, 6662, 8336, 10420, 13025, 13324, 16655, 16672, 20840, 26050, 26648, 33310, 41680, 52100, 53296, 66620, 83275, 83360, 104200, 106592, 133240, 166550, 208400, 266480, 333100, 416800, 532960, 666200, 1332400, 1735451, 2664800, 3470902, 6941804, 8677255, 13883608, 17354510, 27767216, 34709020, 43386275, 55534432, 69418040, 86772550, 138836080, 173545100, 277672160, 347090200, 694180400, 1388360800]

約数ペア:

[(1, 1388360800), (2, 694180400), (4, 347090200), (5, 277672160), (8, 173545100), (10, 138836080), (16, 86772550), (20, 69418040), (25, 55534432), (32, 43386275), (40, 34709020), (50, 27767216), (80, 17354510), (100, 13883608), (160, 8677255), (200, 6941804), (400, 3470902), (521, 2664800), (800, 1735451), (1042, 1332400), (2084, 666200), (2605, 532960), (3331, 416800), (4168, 333100), (5210, 266480), (6662, 208400), (8336, 166550), (10420, 133240), (13025, 106592), (13324, 104200), (16655, 83360), (16672, 83275), (20840, 66620), (26050, 53296), (26648, 52100), (33310, 41680)]