7625540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 17451840

約数和(自身を除く): 9826300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 211, 260, 278, 422, 556, 695, 844, 1055, 1390, 1807, 2110, 2743, 2780, 3614, 4220, 5486, 7228, 9035, 10972, 13715, 18070, 27430, 29329, 36140, 54860, 58658, 117316, 146645, 293290, 381277, 586580, 762554, 1525108, 1906385, 3812770, 7625540]

約数ペア:

[(1, 7625540), (2, 3812770), (4, 1906385), (5, 1525108), (10, 762554), (13, 586580), (20, 381277), (26, 293290), (52, 146645), (65, 117316), (130, 58658), (139, 54860), (211, 36140), (260, 29329), (278, 27430), (422, 18070), (556, 13715), (695, 10972), (844, 9035), (1055, 7228), (1390, 5486), (1807, 4220), (2110, 3614), (2743, 2780)]