54409420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209267}}^1$

素因数の和:209289

約数の個数: 24

約数和(自身を含む): 123049584

約数和(自身を除く): 68640164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 209267, 418534, 837068, 1046335, 2092670, 2720471, 4185340, 5440942, 10881884, 13602355, 27204710, 54409420]

約数ペア:

[(1, 54409420), (2, 27204710), (4, 13602355), (5, 10881884), (10, 5440942), (13, 4185340), (20, 2720471), (26, 2092670), (52, 1046335), (65, 837068), (130, 418534), (260, 209267)]