26070980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 59376240

約数和(自身を除く): 33305260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 509, 788, 985, 1018, 1970, 2036, 2545, 2561, 3940, 5090, 5122, 6617, 10180, 10244, 12805, 13234, 25610, 26468, 33085, 51220, 66170, 100273, 132340, 200546, 401092, 501365, 1002730, 1303549, 2005460, 2607098, 5214196, 6517745, 13035490, 26070980]

約数ペア:

[(1, 26070980), (2, 13035490), (4, 6517745), (5, 5214196), (10, 2607098), (13, 2005460), (20, 1303549), (26, 1002730), (52, 501365), (65, 401092), (130, 200546), (197, 132340), (260, 100273), (394, 66170), (509, 51220), (788, 33085), (985, 26468), (1018, 25610), (1970, 13234), (2036, 12805), (2545, 10244), (2561, 10180), (3940, 6617), (5090, 5122)]