15664026380

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2013371}}^1$

素因数の和:2013769

約数の個数: 24

約数和(自身を含む): 32979033360

約数和(自身を除く): 17315006980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 2013371, 4026742, 8053484, 10066855, 20133710, 40267420, 783201319, 1566402638, 3132805276, 3916006595, 7832013190, 15664026380]

約数ペア:

[(1, 15664026380), (2, 7832013190), (4, 3916006595), (5, 3132805276), (10, 1566402638), (20, 783201319), (389, 40267420), (778, 20133710), (1556, 10066855), (1945, 8053484), (3890, 4026742), (7780, 2013371)]