71242940

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{7727}}^1$

素因数の和:8197

約数の個数: 24

約数和(自身を含む): 149954112

約数和(自身を除く): 78711172

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 7727, 9220, 15454, 30908, 38635, 77270, 154540, 3562147, 7124294, 14248588, 17810735, 35621470, 71242940]

約数ペア:

[(1, 71242940), (2, 35621470), (4, 17810735), (5, 14248588), (10, 7124294), (20, 3562147), (461, 154540), (922, 77270), (1844, 38635), (2305, 30908), (4610, 15454), (7727, 9220)]