2009800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 5038740

約数和(自身を除く): 3028940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 773, 1300, 1546, 2600, 3092, 3865, 6184, 7730, 10049, 15460, 19325, 20098, 30920, 38650, 40196, 50245, 77300, 80392, 100490, 154600, 200980, 251225, 401960, 502450, 1004900, 2009800]

約数ペア:

[(1, 2009800), (2, 1004900), (4, 502450), (5, 401960), (8, 251225), (10, 200980), (13, 154600), (20, 100490), (25, 80392), (26, 77300), (40, 50245), (50, 40196), (52, 38650), (65, 30920), (100, 20098), (104, 19325), (130, 15460), (200, 10049), (260, 7730), (325, 6184), (520, 3865), (650, 3092), (773, 2600), (1300, 1546)]