16329940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 37699200

約数和(自身を除く): 21369260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 373, 398, 746, 796, 995, 1492, 1865, 1990, 2189, 3730, 3980, 4103, 4378, 7460, 8206, 8756, 10945, 16412, 20515, 21890, 41030, 43780, 74227, 82060, 148454, 296908, 371135, 742270, 816497, 1484540, 1632994, 3265988, 4082485, 8164970, 16329940]

約数ペア:

[(1, 16329940), (2, 8164970), (4, 4082485), (5, 3265988), (10, 1632994), (11, 1484540), (20, 816497), (22, 742270), (44, 371135), (55, 296908), (110, 148454), (199, 82060), (220, 74227), (373, 43780), (398, 41030), (746, 21890), (796, 20515), (995, 16412), (1492, 10945), (1865, 8756), (1990, 8206), (2189, 7460), (3730, 4378), (3980, 4103)]