1518288080

素因数分解:

$2^4\times 5^1\times {\mathrm{18978601}}^1$

素因数の和:18978614

約数の個数: 20

約数和(自身を含む): 3530019972

約数和(自身を除く): 2011731892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18978601, 37957202, 75914404, 94893005, 151828808, 189786010, 303657616, 379572020, 759144040, 1518288080]

約数ペア:

[(1, 1518288080), (2, 759144040), (4, 379572020), (5, 303657616), (8, 189786010), (10, 151828808), (16, 94893005), (20, 75914404), (40, 37957202), (80, 18978601)]