2015780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7753}}^1$

素因数の和:7775

約数の個数: 24

約数和(自身を含む): 4559352

約数和(自身を除く): 2543572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7753, 15506, 31012, 38765, 77530, 100789, 155060, 201578, 403156, 503945, 1007890, 2015780]

約数ペア:

[(1, 2015780), (2, 1007890), (4, 503945), (5, 403156), (10, 201578), (13, 155060), (20, 100789), (26, 77530), (52, 38765), (65, 31012), (130, 15506), (260, 7753)]