268366910920

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{13664303}}^1$

素因数の和:13664805

約数の個数: 32

約数和(自身を含む): 605055381120

約数和(自身を除く): 336688470200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 13664303, 27328606, 54657212, 68321515, 109314424, 136643030, 273286060, 546572120, 6709172773, 13418345546, 26836691092, 33545863865, 53673382184, 67091727730, 134183455460, 268366910920]

約数ペア:

[(1, 268366910920), (2, 134183455460), (4, 67091727730), (5, 53673382184), (8, 33545863865), (10, 26836691092), (20, 13418345546), (40, 6709172773), (491, 546572120), (982, 273286060), (1964, 136643030), (2455, 109314424), (3928, 68321515), (4910, 54657212), (9820, 27328606), (19640, 13664303)]