11958920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5641}}^1$

素因数の和:5705

約数の個数: 32

約数和(自身を含む): 27420120

約数和(自身を除く): 15461200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5641, 11282, 22564, 28205, 45128, 56410, 112820, 225640, 298973, 597946, 1195892, 1494865, 2391784, 2989730, 5979460, 11958920]

約数ペア:

[(1, 11958920), (2, 5979460), (4, 2989730), (5, 2391784), (8, 1494865), (10, 1195892), (20, 597946), (40, 298973), (53, 225640), (106, 112820), (212, 56410), (265, 45128), (424, 28205), (530, 22564), (1060, 11282), (2120, 5641)]