23219440

素因数分解:

$2^4\times 5^1\times {\mathrm{290243}}^1$

素因数の和:290256

約数の個数: 20

約数和(自身を含む): 53985384

約数和(自身を除く): 30765944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 290243, 580486, 1160972, 1451215, 2321944, 2902430, 4643888, 5804860, 11609720, 23219440]

約数ペア:

[(1, 23219440), (2, 11609720), (4, 5804860), (5, 4643888), (8, 2902430), (10, 2321944), (16, 1451215), (20, 1160972), (40, 580486), (80, 290243)]