13069240

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 29515680

約数和(自身を除く): 16446440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 823, 1588, 1646, 1985, 3176, 3292, 3970, 4115, 6584, 7940, 8230, 15880, 16460, 32920, 326731, 653462, 1306924, 1633655, 2613848, 3267310, 6534620, 13069240]

約数ペア:

[(1, 13069240), (2, 6534620), (4, 3267310), (5, 2613848), (8, 1633655), (10, 1306924), (20, 653462), (40, 326731), (397, 32920), (794, 16460), (823, 15880), (1588, 8230), (1646, 7940), (1985, 6584), (3176, 4115), (3292, 3970)]