1618052020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6223277}}^1$

素因数の和:6223299

約数の個数: 24

約数和(自身を含む): 3659287464

約数和(自身を除く): 2041235444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6223277, 12446554, 24893108, 31116385, 62232770, 80902601, 124465540, 161805202, 323610404, 404513005, 809026010, 1618052020]

約数ペア:

[(1, 1618052020), (2, 809026010), (4, 404513005), (5, 323610404), (10, 161805202), (13, 124465540), (20, 80902601), (26, 62232770), (52, 31116385), (65, 24893108), (130, 12446554), (260, 6223277)]