68041780

素因数分解:

$2^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{1889}}^1$

素因数の和:3699

約数の個数: 24

約数和(自身を含む): 143042760

約数和(自身を除く): 75000980

約数列:

[1, 2, 4, 5, 10, 20, 1801, 1889, 3602, 3778, 7204, 7556, 9005, 9445, 18010, 18890, 36020, 37780, 3402089, 6804178, 13608356, 17010445, 34020890, 68041780]

約数ペア:

[(1, 68041780), (2, 34020890), (4, 17010445), (5, 13608356), (10, 6804178), (20, 3402089), (1801, 37780), (1889, 36020), (3602, 18890), (3778, 18010), (7204, 9445), (7556, 9005)]