13215440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23599}}^1$

素因数の和:23619

約数の個数: 40

約数和(自身を含む): 35116800

約数和(自身を除く): 21901360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23599, 47198, 94396, 117995, 165193, 188792, 235990, 330386, 377584, 471980, 660772, 825965, 943960, 1321544, 1651930, 1887920, 2643088, 3303860, 6607720, 13215440]

約数ペア:

[(1, 13215440), (2, 6607720), (4, 3303860), (5, 2643088), (7, 1887920), (8, 1651930), (10, 1321544), (14, 943960), (16, 825965), (20, 660772), (28, 471980), (35, 377584), (40, 330386), (56, 235990), (70, 188792), (80, 165193), (112, 117995), (140, 94396), (280, 47198), (560, 23599)]