2787515900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2144243}}^1$

素因数の和:2144270

約数の個数: 36

約数和(自身を含む): 6514213272

約数和(自身を除く): 3726697372

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 2144243, 4288486, 8576972, 10721215, 21442430, 27875159, 42884860, 53606075, 55750318, 107212150, 111500636, 139375795, 214424300, 278751590, 557503180, 696878975, 1393757950, 2787515900]

約数ペア:

[(1, 2787515900), (2, 1393757950), (4, 696878975), (5, 557503180), (10, 278751590), (13, 214424300), (20, 139375795), (25, 111500636), (26, 107212150), (50, 55750318), (52, 53606075), (65, 42884860), (100, 27875159), (130, 21442430), (260, 10721215), (325, 8576972), (650, 4288486), (1300, 2144243)]