55399040

素因数分解:

$2^7\times 5^1\times {\mathrm{86561}}^1$

素因数の和:86580

約数の個数: 32

約数和(自身を含む): 132439860

約数和(自身を除く): 77040820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 86561, 173122, 346244, 432805, 692488, 865610, 1384976, 1731220, 2769952, 3462440, 5539904, 6924880, 11079808, 13849760, 27699520, 55399040]

約数ペア:

[(1, 55399040), (2, 27699520), (4, 13849760), (5, 11079808), (8, 6924880), (10, 5539904), (16, 3462440), (20, 2769952), (32, 1731220), (40, 1384976), (64, 865610), (80, 692488), (128, 432805), (160, 346244), (320, 173122), (640, 86561)]