11288888920

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{725507}}^1$

素因数の和:725907

約数の個数: 32

約数和(自身を含む): 25465330800

約数和(自身を除く): 14176441880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 725507, 1451014, 2902028, 3627535, 5804056, 7255070, 14510140, 29020280, 282222223, 564444446, 1128888892, 1411111115, 2257777784, 2822222230, 5644444460, 11288888920]

約数ペア:

[(1, 11288888920), (2, 5644444460), (4, 2822222230), (5, 2257777784), (8, 1411111115), (10, 1128888892), (20, 564444446), (40, 282222223), (389, 29020280), (778, 14510140), (1556, 7255070), (1945, 5804056), (3112, 3627535), (3890, 2902028), (7780, 1451014), (15560, 725507)]