80421808

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{17761}}^1$

素因数の和:18052

約数の個数: 20

約数和(自身を含む): 156376648

約数和(自身を除く): 75954840

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 17761, 35522, 71044, 142088, 284176, 5026363, 10052726, 20105452, 40210904, 80421808]

約数ペア:

[(1, 80421808), (2, 40210904), (4, 20105452), (8, 10052726), (16, 5026363), (283, 284176), (566, 142088), (1132, 71044), (2264, 35522), (4528, 17761)]