1994752720

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{190339}}^1$

素因数の和:190483

約数の個数: 40

約数和(自身を含む): 4673227680

約数和(自身を除く): 2678474960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 190339, 380678, 761356, 951695, 1522712, 1903390, 3045424, 3806780, 7613560, 15227120, 24934409, 49868818, 99737636, 124672045, 199475272, 249344090, 398950544, 498688180, 997376360, 1994752720]

約数ペア:

[(1, 1994752720), (2, 997376360), (4, 498688180), (5, 398950544), (8, 249344090), (10, 199475272), (16, 124672045), (20, 99737636), (40, 49868818), (80, 24934409), (131, 15227120), (262, 7613560), (524, 3806780), (655, 3045424), (1048, 1903390), (1310, 1522712), (2096, 951695), (2620, 761356), (5240, 380678), (10480, 190339)]