164022620

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{13249}}^1$

素因数の和:13877

約数の個数: 24

約数和(自身を含む): 345030000

約数和(自身を除く): 181007380

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 13249, 26498, 52996, 66245, 132490, 264980, 8201131, 16402262, 32804524, 41005655, 82011310, 164022620]

約数ペア:

[(1, 164022620), (2, 82011310), (4, 41005655), (5, 32804524), (10, 16402262), (20, 8201131), (619, 264980), (1238, 132490), (2476, 66245), (3095, 52996), (6190, 26498), (12380, 13249)]