54702940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 122308704

約数和(自身を除く): 67605764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 340, 502, 641, 1004, 1255, 1282, 2510, 2564, 3205, 4267, 5020, 6410, 8534, 10897, 12820, 17068, 21335, 21794, 42670, 43588, 54485, 85340, 108970, 160891, 217940, 321782, 643564, 804455, 1608910, 2735147, 3217820, 5470294, 10940588, 13675735, 27351470, 54702940]

約数ペア:

[(1, 54702940), (2, 27351470), (4, 13675735), (5, 10940588), (10, 5470294), (17, 3217820), (20, 2735147), (34, 1608910), (68, 804455), (85, 643564), (170, 321782), (251, 217940), (340, 160891), (502, 108970), (641, 85340), (1004, 54485), (1255, 43588), (1282, 42670), (2510, 21794), (2564, 21335), (3205, 17068), (4267, 12820), (5020, 10897), (6410, 8534)]