13558840

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{809}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 30618000

約数和(自身を除く): 17059160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 809, 838, 1618, 1676, 2095, 3236, 3352, 4045, 4190, 6472, 8090, 8380, 16180, 16760, 32360, 338971, 677942, 1355884, 1694855, 2711768, 3389710, 6779420, 13558840]

約数ペア:

[(1, 13558840), (2, 6779420), (4, 3389710), (5, 2711768), (8, 1694855), (10, 1355884), (20, 677942), (40, 338971), (419, 32360), (809, 16760), (838, 16180), (1618, 8380), (1676, 8090), (2095, 6472), (3236, 4190), (3352, 4045)]