13409840

素因数分解:

$2^4\times 5^1\times {\mathrm{167623}}^1$

素因数の和:167636

約数の個数: 20

約数和(自身を含む): 31178064

約数和(自身を除く): 17768224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167623, 335246, 670492, 838115, 1340984, 1676230, 2681968, 3352460, 6704920, 13409840]

約数ペア:

[(1, 13409840), (2, 6704920), (4, 3352460), (5, 2681968), (8, 1676230), (10, 1340984), (16, 838115), (20, 670492), (40, 335246), (80, 167623)]