2044011520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{399221}}^1$

素因数の和:399246

約数の個数: 44

約数和(自身を含む): 4903244604

約数和(自身を除く): 2859233084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 399221, 798442, 1596884, 1996105, 3193768, 3992210, 6387536, 7984420, 12775072, 15968840, 25550144, 31937680, 51100288, 63875360, 102200576, 127750720, 204401152, 255501440, 408802304, 511002880, 1022005760, 2044011520]

約数ペア:

[(1, 2044011520), (2, 1022005760), (4, 511002880), (5, 408802304), (8, 255501440), (10, 204401152), (16, 127750720), (20, 102200576), (32, 63875360), (40, 51100288), (64, 31937680), (80, 25550144), (128, 15968840), (160, 12775072), (256, 7984420), (320, 6387536), (512, 3992210), (640, 3193768), (1024, 1996105), (1280, 1596884), (2560, 798442), (5120, 399221)]