1965156940

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^2\times {\mathrm{2207}}^1$

素因数の和:2638

約数の個数: 36

約数和(自身を含む): 4148359488

約数和(自身を除く): 2183202548

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 2207, 4220, 4414, 8828, 11035, 22070, 44140, 44521, 89042, 178084, 222605, 445210, 465677, 890420, 931354, 1862708, 2328385, 4656770, 9313540, 98257847, 196515694, 393031388, 491289235, 982578470, 1965156940]

約数ペア:

[(1, 1965156940), (2, 982578470), (4, 491289235), (5, 393031388), (10, 196515694), (20, 98257847), (211, 9313540), (422, 4656770), (844, 2328385), (1055, 1862708), (2110, 931354), (2207, 890420), (4220, 465677), (4414, 445210), (8828, 222605), (11035, 178084), (22070, 89042), (44140, 44521)]