13263500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 29719872

約数和(自身を除く): 16456372

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 647, 820, 1025, 1294, 2050, 2588, 3235, 4100, 5125, 6470, 10250, 12940, 16175, 20500, 26527, 32350, 53054, 64700, 80875, 106108, 132635, 161750, 265270, 323500, 530540, 663175, 1326350, 2652700, 3315875, 6631750, 13263500]

約数ペア:

[(1, 13263500), (2, 6631750), (4, 3315875), (5, 2652700), (10, 1326350), (20, 663175), (25, 530540), (41, 323500), (50, 265270), (82, 161750), (100, 132635), (125, 106108), (164, 80875), (205, 64700), (250, 53054), (410, 32350), (500, 26527), (647, 20500), (820, 16175), (1025, 12940), (1294, 10250), (2050, 6470), (2588, 5125), (3235, 4100)]