26852020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 34394060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 743, 1390, 1486, 1807, 2780, 2972, 3614, 3715, 7228, 7430, 9035, 9659, 14860, 18070, 19318, 36140, 38636, 48295, 96590, 103277, 193180, 206554, 413108, 516385, 1032770, 1342601, 2065540, 2685202, 5370404, 6713005, 13426010, 26852020]

約数ペア:

[(1, 26852020), (2, 13426010), (4, 6713005), (5, 5370404), (10, 2685202), (13, 2065540), (20, 1342601), (26, 1032770), (52, 516385), (65, 413108), (130, 206554), (139, 193180), (260, 103277), (278, 96590), (556, 48295), (695, 38636), (743, 36140), (1390, 19318), (1486, 18070), (1807, 14860), (2780, 9659), (2972, 9035), (3614, 7430), (3715, 7228)]