20161502140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77544239}}^1$

素因数の和:77544261

約数の個数: 24

約数和(自身を含む): 45596013120

約数和(自身を除く): 25434510980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77544239, 155088478, 310176956, 387721195, 775442390, 1008075107, 1550884780, 2016150214, 4032300428, 5040375535, 10080751070, 20161502140]

約数ペア:

[(1, 20161502140), (2, 10080751070), (4, 5040375535), (5, 4032300428), (10, 2016150214), (13, 1550884780), (20, 1008075107), (26, 775442390), (52, 387721195), (65, 310176956), (130, 155088478), (260, 77544239)]