12867980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37847}}^1$

素因数の和:37873

約数の個数: 24

約数和(自身を含む): 28613088

約数和(自身を除く): 15745108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37847, 75694, 151388, 189235, 378470, 643399, 756940, 1286798, 2573596, 3216995, 6433990, 12867980]

約数ペア:

[(1, 12867980), (2, 6433990), (4, 3216995), (5, 2573596), (10, 1286798), (17, 756940), (20, 643399), (34, 378470), (68, 189235), (85, 151388), (170, 75694), (340, 37847)]