55191040

素因数分解:

$2^9\times 5^1\times {\mathrm{21559}}^1$

素因数の和:21582

約数の個数: 40

約数和(自身を含む): 132335280

約数和(自身を除く): 77144240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 21559, 43118, 86236, 107795, 172472, 215590, 344944, 431180, 689888, 862360, 1379776, 1724720, 2759552, 3449440, 5519104, 6898880, 11038208, 13797760, 27595520, 55191040]

約数ペア:

[(1, 55191040), (2, 27595520), (4, 13797760), (5, 11038208), (8, 6898880), (10, 5519104), (16, 3449440), (20, 2759552), (32, 1724720), (40, 1379776), (64, 862360), (80, 689888), (128, 431180), (160, 344944), (256, 215590), (320, 172472), (512, 107795), (640, 86236), (1280, 43118), (2560, 21559)]