40880728

素因数分解:

$2^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1499}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 87840000

約数和(自身を除く): 46959272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 487, 974, 1499, 1948, 2998, 3409, 3896, 5996, 6818, 10493, 11992, 13636, 20986, 27272, 41972, 83944, 730013, 1460026, 2920052, 5110091, 5840104, 10220182, 20440364, 40880728]

約数ペア:

[(1, 40880728), (2, 20440364), (4, 10220182), (7, 5840104), (8, 5110091), (14, 2920052), (28, 1460026), (56, 730013), (487, 83944), (974, 41972), (1499, 27272), (1948, 20986), (2998, 13636), (3409, 11992), (3896, 10493), (5996, 6818)]