520029640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{18869}}^1$

素因数の和:18946

約数の個数: 64

約数和(自身を含む): 1283914800

約数和(自身を除く): 763885160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 18869, 27560, 37738, 75476, 94345, 150952, 188690, 245297, 377380, 490594, 754760, 981188, 1000057, 1226485, 1962376, 2000114, 2452970, 4000228, 4905940, 5000285, 8000456, 9811880, 10000570, 13000741, 20001140, 26001482, 40002280, 52002964, 65003705, 104005928, 130007410, 260014820, 520029640]

約数ペア:

[(1, 520029640), (2, 260014820), (4, 130007410), (5, 104005928), (8, 65003705), (10, 52002964), (13, 40002280), (20, 26001482), (26, 20001140), (40, 13000741), (52, 10000570), (53, 9811880), (65, 8000456), (104, 5000285), (106, 4905940), (130, 4000228), (212, 2452970), (260, 2000114), (265, 1962376), (424, 1226485), (520, 1000057), (530, 981188), (689, 754760), (1060, 490594), (1378, 377380), (2120, 245297), (2756, 188690), (3445, 150952), (5512, 94345), (6890, 75476), (13780, 37738), (18869, 27560)]