40635520

素因数分解:

$2^7\times 5^1\times {\mathrm{63493}}^1$

素因数の和:63512

約数の個数: 32

約数和(自身を含む): 97145820

約数和(自身を除く): 56510300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63493, 126986, 253972, 317465, 507944, 634930, 1015888, 1269860, 2031776, 2539720, 4063552, 5079440, 8127104, 10158880, 20317760, 40635520]

約数ペア:

[(1, 40635520), (2, 20317760), (4, 10158880), (5, 8127104), (8, 5079440), (10, 4063552), (16, 2539720), (20, 2031776), (32, 1269860), (40, 1015888), (64, 634930), (80, 507944), (128, 317465), (160, 253972), (320, 126986), (640, 63493)]