40880416

素因数分解:

$2^5\times {\mathrm{641}}^1\times {\mathrm{1993}}^1$

素因数の和:2644

約数の個数: 24

約数和(自身を含む): 80649324

約数和(自身を除く): 39768908

約数列:

[1, 2, 4, 8, 16, 32, 641, 1282, 1993, 2564, 3986, 5128, 7972, 10256, 15944, 20512, 31888, 63776, 1277513, 2555026, 5110052, 10220104, 20440208, 40880416]

約数ペア:

[(1, 40880416), (2, 20440208), (4, 10220104), (8, 5110052), (16, 2555026), (32, 1277513), (641, 63776), (1282, 31888), (1993, 20512), (2564, 15944), (3986, 10256), (5128, 7972)]