39646090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 78122880

約数和(自身を除く): 38476790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 439, 821, 878, 1642, 2195, 4105, 4390, 4829, 8210, 9031, 9658, 18062, 24145, 45155, 48290, 90310, 360419, 720838, 1802095, 3604190, 3964609, 7929218, 19823045, 39646090]

約数ペア:

[(1, 39646090), (2, 19823045), (5, 7929218), (10, 3964609), (11, 3604190), (22, 1802095), (55, 720838), (110, 360419), (439, 90310), (821, 48290), (878, 45155), (1642, 24145), (2195, 18062), (4105, 9658), (4390, 9031), (4829, 8210)]