15679580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{111997}}^1$

素因数の和:112013

約数の個数: 24

約数和(自身を含む): 37631328

約数和(自身を除く): 21951748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 111997, 223994, 447988, 559985, 783979, 1119970, 1567958, 2239940, 3135916, 3919895, 7839790, 15679580]

約数ペア:

[(1, 15679580), (2, 7839790), (4, 3919895), (5, 3135916), (7, 2239940), (10, 1567958), (14, 1119970), (20, 783979), (28, 559985), (35, 447988), (70, 223994), (140, 111997)]