13519720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10903}}^1$

素因数の和:10945

約数の個数: 32

約数和(自身を含む): 31403520

約数和(自身を除く): 17883800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10903, 21806, 43612, 54515, 87224, 109030, 218060, 337993, 436120, 675986, 1351972, 1689965, 2703944, 3379930, 6759860, 13519720]

約数ペア:

[(1, 13519720), (2, 6759860), (4, 3379930), (5, 2703944), (8, 1689965), (10, 1351972), (20, 675986), (31, 436120), (40, 337993), (62, 218060), (124, 109030), (155, 87224), (248, 54515), (310, 43612), (620, 21806), (1240, 10903)]