70720780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{272003}}^1$

素因数の和:272025

約数の個数: 24

約数和(自身を含む): 159938352

約数和(自身を除く): 89217572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 272003, 544006, 1088012, 1360015, 2720030, 3536039, 5440060, 7072078, 14144156, 17680195, 35360390, 70720780]

約数ペア:

[(1, 70720780), (2, 35360390), (4, 17680195), (5, 14144156), (10, 7072078), (13, 5440060), (20, 3536039), (26, 2720030), (52, 1360015), (65, 1088012), (130, 544006), (260, 272003)]