330778820

素因数分解:

$2^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{12539}}^1$

素因数の和:13867

約数の個数: 24

約数和(自身を含む): 695217600

約数和(自身を除く): 364438780

約数列:

[1, 2, 4, 5, 10, 20, 1319, 2638, 5276, 6595, 12539, 13190, 25078, 26380, 50156, 62695, 125390, 250780, 16538941, 33077882, 66155764, 82694705, 165389410, 330778820]

約数ペア:

[(1, 330778820), (2, 165389410), (4, 82694705), (5, 66155764), (10, 33077882), (20, 16538941), (1319, 250780), (2638, 125390), (5276, 62695), (6595, 50156), (12539, 26380), (13190, 25078)]