81425500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12527}}^1$

素因数の和:12559

約数の個数: 48

約数和(自身を含む): 191528064

約数和(自身を除く): 110102564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12527, 25054, 50108, 62635, 125270, 162851, 250540, 313175, 325702, 626350, 651404, 814255, 1252700, 1565875, 1628510, 3131750, 3257020, 4071275, 6263500, 8142550, 16285100, 20356375, 40712750, 81425500]

約数ペア:

[(1, 81425500), (2, 40712750), (4, 20356375), (5, 16285100), (10, 8142550), (13, 6263500), (20, 4071275), (25, 3257020), (26, 3131750), (50, 1628510), (52, 1565875), (65, 1252700), (100, 814255), (125, 651404), (130, 626350), (250, 325702), (260, 313175), (325, 250540), (500, 162851), (650, 125270), (1300, 62635), (1625, 50108), (3250, 25054), (6500, 12527)]