13609160

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{857}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 30733560

約数和(自身を除く): 17124400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 857, 1588, 1714, 1985, 3176, 3428, 3970, 4285, 6856, 7940, 8570, 15880, 17140, 34280, 340229, 680458, 1360916, 1701145, 2721832, 3402290, 6804580, 13609160]

約数ペア:

[(1, 13609160), (2, 6804580), (4, 3402290), (5, 2721832), (8, 1701145), (10, 1360916), (20, 680458), (40, 340229), (397, 34280), (794, 17140), (857, 15880), (1588, 8570), (1714, 7940), (1985, 6856), (3176, 4285), (3428, 3970)]