12935920

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1777

約数の個数: 40

約数和(自身を含む): 30404304

約数和(自身を除く): 17468384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1667, 1940, 3334, 3880, 6668, 7760, 8335, 13336, 16670, 26672, 33340, 66680, 133360, 161699, 323398, 646796, 808495, 1293592, 1616990, 2587184, 3233980, 6467960, 12935920]

約数ペア:

[(1, 12935920), (2, 6467960), (4, 3233980), (5, 2587184), (8, 1616990), (10, 1293592), (16, 808495), (20, 646796), (40, 323398), (80, 161699), (97, 133360), (194, 66680), (388, 33340), (485, 26672), (776, 16670), (970, 13336), (1552, 8335), (1667, 7760), (1940, 6668), (3334, 3880)]