17742140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68239}}^1$

素因数の和:68261

約数の個数: 24

約数和(自身を含む): 40125120

約数和(自身を除く): 22382980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68239, 136478, 272956, 341195, 682390, 887107, 1364780, 1774214, 3548428, 4435535, 8871070, 17742140]

約数ペア:

[(1, 17742140), (2, 8871070), (4, 4435535), (5, 3548428), (10, 1774214), (13, 1364780), (20, 887107), (26, 682390), (52, 341195), (65, 272956), (130, 136478), (260, 68239)]