2119319800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{815123}}^1$

素因数の和:815152

約数の個数: 48

約数和(自身を含む): 5306457240

約数和(自身を除く): 3187137440

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, 1300, 2600, 815123, 1630246, 3260492, 4075615, 6520984, 8151230, 10596599, 16302460, 20378075, 21193198, 32604920, 40756150, 42386396, 52982995, 81512300, 84772792, 105965990, 163024600, 211931980, 264914975, 423863960, 529829950, 1059659900, 2119319800]

約数ペア:

[(1, 2119319800), (2, 1059659900), (4, 529829950), (5, 423863960), (8, 264914975), (10, 211931980), (13, 163024600), (20, 105965990), (25, 84772792), (26, 81512300), (40, 52982995), (50, 42386396), (52, 40756150), (65, 32604920), (100, 21193198), (104, 20378075), (130, 16302460), (200, 10596599), (260, 8151230), (325, 6520984), (520, 4075615), (650, 3260492), (1300, 1630246), (2600, 815123)]