53989520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51913}}^1$

素因数の和:51939

約数の個数: 40

約数和(自身を含む): 135184056

約数和(自身を除く): 81194536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 51913, 103826, 207652, 259565, 415304, 519130, 674869, 830608, 1038260, 1349738, 2076520, 2699476, 3374345, 4153040, 5398952, 6748690, 10797904, 13497380, 26994760, 53989520]

約数ペア:

[(1, 53989520), (2, 26994760), (4, 13497380), (5, 10797904), (8, 6748690), (10, 5398952), (13, 4153040), (16, 3374345), (20, 2699476), (26, 2076520), (40, 1349738), (52, 1038260), (65, 830608), (80, 674869), (104, 519130), (130, 415304), (208, 259565), (260, 207652), (520, 103826), (1040, 51913)]