28598180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8461}}^1$

素因数の和:8496

約数の個数: 36

約数和(自身を含む): 65038932

約数和(自身を除く): 36440752

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8461, 16922, 33844, 42305, 84610, 109993, 169220, 219986, 439972, 549965, 1099930, 1429909, 2199860, 2859818, 5719636, 7149545, 14299090, 28598180]

約数ペア:

[(1, 28598180), (2, 14299090), (4, 7149545), (5, 5719636), (10, 2859818), (13, 2199860), (20, 1429909), (26, 1099930), (52, 549965), (65, 439972), (130, 219986), (169, 169220), (260, 109993), (338, 84610), (676, 42305), (845, 33844), (1690, 16922), (3380, 8461)]