41991220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 91099008

約数和(自身を除く): 49107788

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 311, 314, 430, 622, 628, 785, 860, 1244, 1555, 1570, 3110, 3140, 6220, 6751, 13373, 13502, 26746, 27004, 33755, 48827, 53492, 66865, 67510, 97654, 133730, 135020, 195308, 244135, 267460, 488270, 976540, 2099561, 4199122, 8398244, 10497805, 20995610, 41991220]

約数ペア:

[(1, 41991220), (2, 20995610), (4, 10497805), (5, 8398244), (10, 4199122), (20, 2099561), (43, 976540), (86, 488270), (157, 267460), (172, 244135), (215, 195308), (311, 135020), (314, 133730), (430, 97654), (622, 67510), (628, 66865), (785, 53492), (860, 48827), (1244, 33755), (1555, 27004), (1570, 26746), (3110, 13502), (3140, 13373), (6220, 6751)]