13307980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5003}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 33626880

約数和(自身を除く): 20318900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 5003, 10006, 20012, 25015, 35021, 50030, 70042, 95057, 100060, 140084, 175105, 190114, 350210, 380228, 475285, 665399, 700420, 950570, 1330798, 1901140, 2661596, 3326995, 6653990, 13307980]

約数ペア:

[(1, 13307980), (2, 6653990), (4, 3326995), (5, 2661596), (7, 1901140), (10, 1330798), (14, 950570), (19, 700420), (20, 665399), (28, 475285), (35, 380228), (38, 350210), (70, 190114), (76, 175105), (95, 140084), (133, 100060), (140, 95057), (190, 70042), (266, 50030), (380, 35021), (532, 25015), (665, 20012), (1330, 10006), (2660, 5003)]