3972020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15277}}^1$

素因数の和:15299

約数の個数: 24

約数和(自身を含む): 8983464

約数和(自身を除く): 5011444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15277, 30554, 61108, 76385, 152770, 198601, 305540, 397202, 794404, 993005, 1986010, 3972020]

約数ペア:

[(1, 3972020), (2, 1986010), (4, 993005), (5, 794404), (10, 397202), (13, 305540), (20, 198601), (26, 152770), (52, 76385), (65, 61108), (130, 30554), (260, 15277)]