12956980

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1867}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 27302688

約数和(自身を除く): 14345708

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 1867, 3470, 3734, 6940, 7468, 9335, 18670, 37340, 647849, 1295698, 2591396, 3239245, 6478490, 12956980]

約数ペア:

[(1, 12956980), (2, 6478490), (4, 3239245), (5, 2591396), (10, 1295698), (20, 647849), (347, 37340), (694, 18670), (1388, 9335), (1735, 7468), (1867, 6940), (3470, 3734)]