12309980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8669}}^1$

素因数の和:8749

約数の個数: 24

約数和(自身を含む): 26218080

約数和(自身を除く): 13908100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8669, 17338, 34676, 43345, 86690, 173380, 615499, 1230998, 2461996, 3077495, 6154990, 12309980]

約数ペア:

[(1, 12309980), (2, 6154990), (4, 3077495), (5, 2461996), (10, 1230998), (20, 615499), (71, 173380), (142, 86690), (284, 43345), (355, 34676), (710, 17338), (1420, 8669)]