11228920

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{809}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 25369200

約数和(自身を除く): 14140280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 809, 1388, 1618, 1735, 2776, 3236, 3470, 4045, 6472, 6940, 8090, 13880, 16180, 32360, 280723, 561446, 1122892, 1403615, 2245784, 2807230, 5614460, 11228920]

約数ペア:

[(1, 11228920), (2, 5614460), (4, 2807230), (5, 2245784), (8, 1403615), (10, 1122892), (20, 561446), (40, 280723), (347, 32360), (694, 16180), (809, 13880), (1388, 8090), (1618, 6940), (1735, 6472), (2776, 4045), (3236, 3470)]