28618460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8467}}^1$

素因数の和:8502

約数の個数: 36

約数和(自身を含む): 65085048

約数和(自身を除く): 36466588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8467, 16934, 33868, 42335, 84670, 110071, 169340, 220142, 440284, 550355, 1100710, 1430923, 2201420, 2861846, 5723692, 7154615, 14309230, 28618460]

約数ペア:

[(1, 28618460), (2, 14309230), (4, 7154615), (5, 5723692), (10, 2861846), (13, 2201420), (20, 1430923), (26, 1100710), (52, 550355), (65, 440284), (130, 220142), (169, 169340), (260, 110071), (338, 84670), (676, 42335), (845, 33868), (1690, 16934), (3380, 8467)]