72331520

素因数分解:

$2^8\times 5^1\times {\mathrm{56509}}^1$

素因数の和:56530

約数の個数: 36

約数和(自身を含む): 173259660

約数和(自身を除く): 100928140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56509, 113018, 226036, 282545, 452072, 565090, 904144, 1130180, 1808288, 2260360, 3616576, 4520720, 7233152, 9041440, 14466304, 18082880, 36165760, 72331520]

約数ペア:

[(1, 72331520), (2, 36165760), (4, 18082880), (5, 14466304), (8, 9041440), (10, 7233152), (16, 4520720), (20, 3616576), (32, 2260360), (40, 1808288), (64, 1130180), (80, 904144), (128, 565090), (160, 452072), (256, 282545), (320, 226036), (640, 113018), (1280, 56509)]