2912186840

素因数分解:

$2^3\times 5^1\times {\mathrm{72804671}}^1$

素因数の和:72804682

約数の個数: 16

約数和(自身を含む): 6552420480

約数和(自身を除く): 3640233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72804671, 145609342, 291218684, 364023355, 582437368, 728046710, 1456093420, 2912186840]

約数ペア:

[(1, 2912186840), (2, 1456093420), (4, 728046710), (5, 582437368), (8, 364023355), (10, 291218684), (20, 145609342), (40, 72804671)]