28668760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13523}}^1$

素因数の和:13587

約数の個数: 32

約数和(自身を含む): 65726640

約数和(自身を除く): 37057880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13523, 27046, 54092, 67615, 108184, 135230, 270460, 540920, 716719, 1433438, 2866876, 3583595, 5733752, 7167190, 14334380, 28668760]

約数ペア:

[(1, 28668760), (2, 14334380), (4, 7167190), (5, 5733752), (8, 3583595), (10, 2866876), (20, 1433438), (40, 716719), (53, 540920), (106, 270460), (212, 135230), (265, 108184), (424, 67615), (530, 54092), (1060, 27046), (2120, 13523)]