245243120

素因数分解:

$2^4\times 5^1\times {\mathrm{3065539}}^1$

素因数の和:3065552

約数の個数: 20

約数和(自身を含む): 570190440

約数和(自身を除く): 324947320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3065539, 6131078, 12262156, 15327695, 24524312, 30655390, 49048624, 61310780, 122621560, 245243120]

約数ペア:

[(1, 245243120), (2, 122621560), (4, 61310780), (5, 49048624), (8, 30655390), (10, 24524312), (16, 15327695), (20, 12262156), (40, 6131078), (80, 3065539)]