12999940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6701}}^1$

素因数の和:6807

約数の個数: 24

約数和(自身を含む): 27585432

約数和(自身を除く): 14585492

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6701, 13402, 26804, 33505, 67010, 134020, 649997, 1299994, 2599988, 3249985, 6499970, 12999940]

約数ペア:

[(1, 12999940), (2, 6499970), (4, 3249985), (5, 2599988), (10, 1299994), (20, 649997), (97, 134020), (194, 67010), (388, 33505), (485, 26804), (970, 13402), (1940, 6701)]