26317840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5393}}^1$

素因数の和:5467

約数の個数: 40

約数和(自身を含む): 62203608

約数和(自身を除く): 35885768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5393, 10786, 21572, 26965, 43144, 53930, 86288, 107860, 215720, 328973, 431440, 657946, 1315892, 1644865, 2631784, 3289730, 5263568, 6579460, 13158920, 26317840]

約数ペア:

[(1, 26317840), (2, 13158920), (4, 6579460), (5, 5263568), (8, 3289730), (10, 2631784), (16, 1644865), (20, 1315892), (40, 657946), (61, 431440), (80, 328973), (122, 215720), (244, 107860), (305, 86288), (488, 53930), (610, 43144), (976, 26965), (1220, 21572), (2440, 10786), (4880, 5393)]