12898780

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1399}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 27165600

約数和(自身を除く): 14266820

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1399, 1844, 2305, 2798, 4610, 5596, 6995, 9220, 13990, 27980, 644939, 1289878, 2579756, 3224695, 6449390, 12898780]

約数ペア:

[(1, 12898780), (2, 6449390), (4, 3224695), (5, 2579756), (10, 1289878), (20, 644939), (461, 27980), (922, 13990), (1399, 9220), (1844, 6995), (2305, 5596), (2798, 4610)]