13800020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53077}}^1$

素因数の和:53099

約数の個数: 24

約数和(自身を含む): 31209864

約数和(自身を除く): 17409844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 53077, 106154, 212308, 265385, 530770, 690001, 1061540, 1380002, 2760004, 3450005, 6900010, 13800020]

約数ペア:

[(1, 13800020), (2, 6900010), (4, 3450005), (5, 2760004), (10, 1380002), (13, 1061540), (20, 690001), (26, 530770), (52, 265385), (65, 212308), (130, 106154), (260, 53077)]