19710880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17599}}^1$

素因数の和:17621

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 33511520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17599, 35198, 70396, 87995, 123193, 140792, 175990, 246386, 281584, 351980, 492772, 563168, 615965, 703960, 985544, 1231930, 1407920, 1971088, 2463860, 2815840, 3942176, 4927720, 9855440, 19710880]

約数ペア:

[(1, 19710880), (2, 9855440), (4, 4927720), (5, 3942176), (7, 2815840), (8, 2463860), (10, 1971088), (14, 1407920), (16, 1231930), (20, 985544), (28, 703960), (32, 615965), (35, 563168), (40, 492772), (56, 351980), (70, 281584), (80, 246386), (112, 175990), (140, 140792), (160, 123193), (224, 87995), (280, 70396), (560, 35198), (1120, 17599)]