78086020

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{3001}}^1$

素因数の和:4311

約数の個数: 24

約数和(自身を含む): 164161368

約数和(自身を除く): 86075348

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 3001, 5204, 6002, 6505, 12004, 13010, 15005, 26020, 30010, 60020, 3904301, 7808602, 15617204, 19521505, 39043010, 78086020]

約数ペア:

[(1, 78086020), (2, 39043010), (4, 19521505), (5, 15617204), (10, 7808602), (20, 3904301), (1301, 60020), (2602, 30010), (3001, 26020), (5204, 15005), (6002, 13010), (6505, 12004)]