7847920

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 18364896

約数和(自身を除く): 10516976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 373, 526, 746, 1052, 1315, 1492, 1865, 2104, 2630, 2984, 3730, 4208, 5260, 5968, 7460, 10520, 14920, 21040, 29840, 98099, 196198, 392396, 490495, 784792, 980990, 1569584, 1961980, 3923960, 7847920]

約数ペア:

[(1, 7847920), (2, 3923960), (4, 1961980), (5, 1569584), (8, 980990), (10, 784792), (16, 490495), (20, 392396), (40, 196198), (80, 98099), (263, 29840), (373, 21040), (526, 14920), (746, 10520), (1052, 7460), (1315, 5968), (1492, 5260), (1865, 4208), (2104, 3730), (2630, 2984)]