12718449880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3277951}}^1$

素因数の和:3278059

約数の個数: 32

約数和(自身を含む): 28911536640

約数和(自身を除く): 16193086760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 3277951, 6555902, 13111804, 16389755, 26223608, 32779510, 65559020, 131118040, 317961247, 635922494, 1271844988, 1589806235, 2543689976, 3179612470, 6359224940, 12718449880]

約数ペア:

[(1, 12718449880), (2, 6359224940), (4, 3179612470), (5, 2543689976), (8, 1589806235), (10, 1271844988), (20, 635922494), (40, 317961247), (97, 131118040), (194, 65559020), (388, 32779510), (485, 26223608), (776, 16389755), (970, 13111804), (1940, 6555902), (3880, 3277951)]