12711440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22699}}^1$

素因数の和:22719

約数の個数: 40

約数和(自身を含む): 33777600

約数和(自身を除く): 21066160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22699, 45398, 90796, 113495, 158893, 181592, 226990, 317786, 363184, 453980, 635572, 794465, 907960, 1271144, 1588930, 1815920, 2542288, 3177860, 6355720, 12711440]

約数ペア:

[(1, 12711440), (2, 6355720), (4, 3177860), (5, 2542288), (7, 1815920), (8, 1588930), (10, 1271144), (14, 907960), (16, 794465), (20, 635572), (28, 453980), (35, 363184), (40, 317786), (56, 226990), (70, 181592), (80, 158893), (112, 113495), (140, 90796), (280, 45398), (560, 22699)]