53388140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205339}}^1$

素因数の和:205361

約数の個数: 24

約数和(自身を含む): 120739920

約数和(自身を除く): 67351780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 205339, 410678, 821356, 1026695, 2053390, 2669407, 4106780, 5338814, 10677628, 13347035, 26694070, 53388140]

約数ペア:

[(1, 53388140), (2, 26694070), (4, 13347035), (5, 10677628), (10, 5338814), (13, 4106780), (20, 2669407), (26, 2053390), (52, 1026695), (65, 821356), (130, 410678), (260, 205339)]