56141440

素因数分解:

$2^7\times 5^1\times {\mathrm{87721}}^1$

素因数の和:87740

約数の個数: 32

約数和(自身を含む): 134214660

約数和(自身を除く): 78073220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87721, 175442, 350884, 438605, 701768, 877210, 1403536, 1754420, 2807072, 3508840, 5614144, 7017680, 11228288, 14035360, 28070720, 56141440]

約数ペア:

[(1, 56141440), (2, 28070720), (4, 14035360), (5, 11228288), (8, 7017680), (10, 5614144), (16, 3508840), (20, 2807072), (32, 1754420), (40, 1403536), (64, 877210), (80, 701768), (128, 438605), (160, 350884), (320, 175442), (640, 87721)]