26879780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15101}}^1$

素因数の和:15199

約数の個数: 24

約数和(自身を含む): 57085560

約数和(自身を除く): 30205780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 15101, 30202, 60404, 75505, 151010, 302020, 1343989, 2687978, 5375956, 6719945, 13439890, 26879780]

約数ペア:

[(1, 26879780), (2, 13439890), (4, 6719945), (5, 5375956), (10, 2687978), (20, 1343989), (89, 302020), (178, 151010), (356, 75505), (445, 60404), (890, 30202), (1780, 15101)]